[
 {
  "company": "1Password",
  "website": "https://1password.com",
  "categories": [
   "security"
  ],
  "offers": [
   {
    "product": "1Password Teams (Open Source Program)",
    "offer_url": "https://github.com/1Password/1password-teams-open-source",
    "verify_anchor": [
     "1Password team account for free"
    ],
    "what_you_get": "Free 1Password Teams account for the project team, on all platforms (Mac, Windows, iOS, Android, Linux, browser), including developer features such as SSH key management, Git commit signing, CLI authentication with biometrics, and secrets management integration.",
    "eligibility": {
     "min_project_age_months": 1,
     "active_development_required": true,
     "non_commercial_only": true,
     "applies_to": "project",
     "notes": "Team accounts only (not personal/family/business). Project must be at least 30 days old, active, under a permissive open source license, with the applicant as core contributor; no commercial backing (open source funding programs are OK). Open source meetup/event/conference organizers also eligible."
    },
    "how_to_apply": "Create a 1Password Teams account (14-day trial), invite at least one other Owner, then apply by opening an issue in the 1Password/1password-teams-open-source GitHub repo.",
    "renewal": "Membership tied to the program; contact opensource@1password.com for issues.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: GitHub repo live, program active; free Teams account for OSS projects 30+ days old under permissive license"
   }
  ],
  "slug": "1password"
 },
 {
  "company": "Aikido Security",
  "website": "https://www.aikido.dev",
  "categories": [
   "security"
  ],
  "offers": [
   {
    "product": "Aikido AppSec platform (free for open source)",
    "offer_url": "https://www.aikido.dev/code-quality/free-open-source-ai-code-review2",
    "verify_anchor": [
     "Free Open Source AI Code Reviews"
    ],
    "what_you_get": "Free-forever AI code reviews and security checks for open source projects: AI code reviews with automated fix suggestions, PR security reviews, open source dependency scanning, IDE plugins, integrations (Jira, Linear, Drata, Vanta), reports and analytics, AI/bot protection, and attack surface monitoring.",
    "eligibility": {
     "applies_to": "project",
     "notes": "Eligibility checked case by case; email hovhannes@aikido.dev to confirm your project qualifies. No credit card required."
    },
    "how_to_apply": "Sign in, create a workspace, then email hovhannes@aikido.dev for eligibility verification.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: offer page live, headline 'Free AI Code Reviews for Open Source Projects \u2014 Forever' with eligibility check via email"
   }
  ],
  "slug": "aikido-security"
 },
 {
  "company": "Algolia",
  "website": "https://www.algolia.com",
  "categories": [
   "other"
  ],
  "offers": [
   {
    "product": "Algolia for Open Source (search API credits)",
    "offer_url": "https://www.algolia.com/for-open-source/",
    "verify_anchor": [
     "Open Source license"
    ],
    "what_you_get": "200 units free per month on the standard pay-as-you-go plan, translating to 200,000 records and 200,000 search requests (worth roughly $180/month).",
    "eligibility": {
     "non_commercial_only": true,
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "Open to licensed open source software, developer community projects, or legally-recognized non-profits with needs exceeding the standard free tier. Requires displaying a \"Search by Algolia\" logo linking to algolia.com (alternatives negotiable)."
    },
    "how_to_apply": "Application form on the offer page; questions to community@algolia.com.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: for-open-source page live, 200 free units/month for non-commercial OSS projects; DocSearch is now free for all technical docs sites, not OSS-specific"
   }
  ],
  "slug": "algolia"
 },
 {
  "company": "Amazon Web Services",
  "website": "https://aws.amazon.com",
  "categories": [
   "hosting"
  ],
  "offers": [
   {
    "product": "AWS Cloud Credits for Open Source",
    "offer_url": "https://aws.amazon.com/blogs/opensource/aws-promotional-credits-open-source-projects/",
    "verify_anchor": [
     "AWS promotional credits for open source projects"
    ],
    "what_you_get": "AWS promotional credits (valid one year) for open source projects, typically used for upstream and performance testing, CI/CD, and storage of artifacts on AWS; usable on compute, storage, database, and developer tooling services. Over 200 projects funded since the 2019 launch.",
    "eligibility": {
     "osi_license_required": true,
     "applies_to": "project",
     "notes": "Requires an active AWS account with valid payment method and no outstanding invoices. Preference for projects with maintainers from multiple entities or owned by foundations/non-profits; projects dominated by a single vendor or VC-funded are generally not eligible. Non-OSI-licensed projects in relevant domains encouraged to apply."
    },
    "how_to_apply": "Complete the AWS Open Source Credits application form and email it to awsopensourcecredits@amazon.com; applications reviewed monthly.",
    "renewal": "Credits expire after one year; re-application needed for continued support.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: 2019 announcement page live; AWS \"affirming our commitment\" blog post confirms Cloud Credits for Open Source still accepting applications."
   }
  ],
  "slug": "amazon-web-services"
 },
 {
  "company": "Anthropic",
  "website": "https://claude.com",
  "categories": [
   "ai-ml"
  ],
  "offers": [
   {
    "product": "Claude for Open Source (Claude Max 20x)",
    "offer_url": "https://claude.com/contact-sales/claude-for-oss",
    "verify_anchor": [
     "Open Source Program"
    ],
    "what_you_get": "6 months of free Claude Max 20x subscription for eligible open source maintainers and core contributors; program accepts up to 10,000 contributors.",
    "eligibility": {
     "public_repo_required": true,
     "active_development_required": true,
     "applies_to": "maintainer",
     "notes": "Primary maintainer or core team member of a public repository with 5,000+ GitHub stars or 1M+ monthly NPM downloads, with commits, releases, or PR reviews within the last 3 months. Maintainers of smaller but ecosystem-critical projects are invited to apply and explain their project."
    },
    "how_to_apply": "Application form on the program page; reviewed on a rolling basis, approved applicants get an activation link for Claude Max.",
    "renewal": "Subscription period is 6 months.",
    "status": "active",
    "last_verified": "2026-07-07",
    "verification_source": "manual: claude.com/contact-sales/claude-for-oss live, states 6 months free Claude Max 20x with star/download thresholds"
   }
  ],
  "slug": "anthropic"
 },
 {
  "company": "Apiary",
  "website": "https://apiary.io",
  "categories": [
   "documentation"
  ],
  "offers": [
   {
    "product": "Apiary API design and documentation platform",
    "offer_url": "https://apiary.io/",
    "what_you_get": "Formerly offered its API design, documentation, and mocking platform free for open source projects. The entire hosted service has been shut down, so no offer of any kind remains.",
    "eligibility": {
     "applies_to": "project",
     "notes": "Historical only; the service no longer accepts users."
    },
    "how_to_apply": "Not possible; the service has been shut down.",
    "status": "discontinued",
    "last_verified": "2026-07-06",
    "verification_source": "manual: apiary.io returns 502; Oracle terminated Apiary support and shut the hosted product on 2025-09-09 (see apisyouwonthate.com/blog/goodbye-apiary-io)"
   }
  ],
  "slug": "apiary"
 },
 {
  "company": "Applitools",
  "website": "https://applitools.com",
  "categories": [
   "testing"
  ],
  "offers": [
   {
    "product": "Applitools Eyes visual AI testing (Open Source licenses)",
    "offer_url": "https://applitools.com/open-source/",
    "verify_anchor": [
     "Free visual testing for open source projects"
    ],
    "what_you_get": "Free Applitools licenses for open source projects (\"providing free licenses to open source projects to help them deliver visually perfect user interfaces\"). The page does not publish specific checkpoint/user limits.",
    "eligibility": {
     "applies_to": "project",
     "notes": "Program is for open source maintainers and contributors; detailed qualification criteria are not published on the page, Applitools reviews requests via their sales contact form."
    },
    "how_to_apply": "Click \"Get Free License\" on the offer page (routes to applitools.com/contact/sales/open-source) and submit the contact form.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: applitools.com/open-source/ live, states free licenses for open source projects; limits/eligibility not published"
   }
  ],
  "slug": "applitools"
 },
 {
  "company": "AppSignal",
  "website": "https://www.appsignal.com",
  "categories": [
   "error-tracking",
   "monitoring"
  ],
  "offers": [
   {
    "product": "AppSignal APM (sponsored open source account)",
    "offer_url": "https://www.appsignal.com/open-source",
    "verify_anchor": [
     "is Free for Open-Source Software"
    ],
    "what_you_get": "Free sponsored AppSignal account for open-source software and \"for good\" projects, with core monitoring features: error tracking, performance monitoring, host monitoring, anomaly detection, uptime monitoring and log management. No named tier or hard limits published on the page.",
    "eligibility": {
     "applies_to": "project",
     "notes": "For open-source maintainers and software development volunteers / \"for good\" projects; no further published requirements."
    },
    "how_to_apply": "Email support@appsignal.com with the subject \"Hi AppSignal, can I get a sponsored account?\" to request a sponsored account.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: appsignal.com/open-source live, states 'Free for open-source software and for good projects', apply via support email"
   }
  ],
  "slug": "appsignal"
 },
 {
  "company": "AppVeyor",
  "website": "https://www.appveyor.com/",
  "categories": [
   "ci-cd"
  ],
  "offers": [
   {
    "product": "AppVeyor CI free plan for open source",
    "offer_url": "https://www.appveyor.com/pricing/",
    "verify_anchor": [
     "Open-source FREE Unlimited public projects"
    ],
    "what_you_get": "Free CI/CD plan for open source: unlimited public projects, 1 concurrent job, 5 self-hosted jobs, 60-minute max build time, community support. Additionally, a 50% discount on all paid plans for open-source projects (and students/educational orgs) needing more compute or concurrency.",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project"
    },
    "how_to_apply": "Sign up via \"Get your FREE account\" / \"Get your OSS project on-board\" on the pricing page.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: pricing page live, free plan with unlimited public projects and 1 concurrent job, plus 50% OSS discount on paid plans"
   }
  ],
  "slug": "appveyor"
 },
 {
  "company": "Araxis",
  "website": "https://www.araxis.com",
  "categories": [
   "ide-tools"
  ],
  "offers": [
   {
    "product": "Araxis Merge",
    "offer_url": "https://www.araxis.com/buy/index.en",
    "verify_anchor": [
     "no-cost licences for contributors to Open Source"
    ],
    "what_you_get": "No-cost licenses for Araxis Merge (advanced 2/3-way file comparison, merging and folder synchronization tool) for contributors to open source projects.",
    "eligibility": {
     "applies_to": "contributors",
     "notes": "Page states \"no-cost licences for contributors to Open Source projects\"; detailed qualification criteria are not published and are handled on request."
    },
    "how_to_apply": "Contact Araxis via their discounts/contact page to request an open source contributor license.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: araxis.com/buy page live, quotes 'no-cost licences for contributors to Open Source projects'"
   }
  ],
  "slug": "araxis"
 },
 {
  "company": "Argos",
  "website": "https://argos-ci.com",
  "categories": [
   "testing"
  ],
  "offers": [
   {
    "product": "Argos visual testing (open source sponsorship)",
    "offer_url": "https://argos-ci.com/docs/learn/billing-and-subscription/subscription/open-source",
    "what_you_get": "Sponsored (free) visual regression testing beyond the standard free plan for qualifying open source projects; exact screenshot quota is agreed per-project when the free plan is insufficient.",
    "eligibility": {
     "non_commercial_only": true,
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "Usage must stay within reasonable limits; project must display the Argos banner in its README and include a dofollow link to argos-ci.com with UTM tracking."
    },
    "how_to_apply": "Email contact@argos-ci.com confirming you meet the criteria, explaining why the free tier is insufficient, with your Argos team slug and a link to your repository.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: pricing page and OSS sponsorship docs live, program accepts applications via contact@argos-ci.com"
   }
  ],
  "slug": "argos"
 },
 {
  "company": "Atlassian",
  "website": "https://www.atlassian.com",
  "categories": [
   "project-management"
  ],
  "offers": [
   {
    "product": "Atlassian Standard cloud products (Jira, Confluence, etc.)",
    "offer_url": "https://www.atlassian.com/software/views/open-source-license-request",
    "verify_anchor": [
     "open source project license request"
    ],
    "what_you_get": "No-cost Open Source licenses for Atlassian Standard cloud products (e.g. Jira, Confluence); the free offer applies to Standard plans only.",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "Project must be public, with publicly accessible website and source repositories; you must create a cloud site with the desired Standard products and set up public access to it."
    },
    "how_to_apply": "Fill in the Open Source Project License Request form on the offer page; Atlassian follows up to validate and issue the license.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: license request form page live; Atlassian states Standard cloud products are free for qualifying public open source projects"
   }
  ],
  "slug": "atlassian"
 },
 {
  "company": "Auth0",
  "website": "https://auth0.com",
  "categories": [
   "auth"
  ],
  "offers": [
   {
    "product": "Auth0 for Open Source (free higher-tier plan)",
    "offer_url": "https://auth0.com/open-source",
    "what_you_get": "Formerly a free Auth0 subscription for qualifying open source projects. The dedicated program page no longer exists; only the generic free tier (25,000 MAUs for everyone) remains, which is not OSS-specific.",
    "eligibility": {
     "applies_to": "project",
     "notes": "Historical only; the dedicated OSS program page is gone."
    },
    "how_to_apply": "No longer possible; auth0.com/open-source returns 404 and auth0.com/opensource only showcases Auth0's own SDKs.",
    "status": "discontinued",
    "last_verified": "2026-07-06",
    "verification_source": "manual: auth0.com/open-source returns HTTP 404; auth0.com/opensource is about Auth0's own OSS SDKs, no OSS offer found"
   }
  ],
  "slug": "auth0"
 },
 {
  "company": "Azure Pipelines",
  "website": "https://azure.microsoft.com/en-us/products/devops/pipelines/",
  "categories": [
   "ci-cd",
   "hosting"
  ],
  "offers": [
   {
    "product": "Azure Pipelines free parallel jobs for open source (public projects)",
    "offer_url": "https://azure.microsoft.com/en-us/products/devops/pipelines/",
    "what_you_get": "Historically 10 free Microsoft-hosted parallel jobs with unlimited minutes for open source (public) projects on Linux, macOS, and Windows. No longer available to new projects.",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "Public projects in Azure DevOps are retired: new public projects can no longer be created, and existing public projects retain their free parallelism grants only until they convert to private in 2027."
    },
    "how_to_apply": "No longer possible; new public projects cannot be created.",
    "status": "discontinued",
    "last_verified": "2026-07-06",
    "verification_source": "manual: Microsoft Learn concurrent-jobs doc (updated 2026-06) states public projects are retired, existing grants end when projects convert to private in 2027"
   },
   {
    "product": "Azure credits for open source projects",
    "offer_url": "https://opensource.microsoft.com/azure-credits/",
    "verify_anchor": [
     "Azure credits for open source projects"
    ],
    "what_you_get": "Grants of Azure credits for short-term development, infrastructure, and testing needs of open source projects, typically for one Microsoft fiscal year. Closed to direct applications.",
    "eligibility": {
     "applies_to": "project",
     "notes": "Microsoft is not accepting new applications from projects directly; it relies on strategic relationships where Microsoft product teams identify and partner with open source communities they depend on. Long-term hosting, CI/CD, or ongoing databases are out of scope."
    },
    "how_to_apply": "Application form is closed; participation is by Microsoft invitation only.",
    "status": "discontinued",
    "last_verified": "2026-07-06",
    "verification_source": "manual: program page live but states 'Microsoft is not accepting new applications from projects directly' and the application form is not open"
   }
  ],
  "slug": "azure-pipelines"
 },
 {
  "company": "Balsamiq",
  "website": "https://balsamiq.com",
  "categories": [
   "design"
  ],
  "offers": [
   {
    "product": "Balsamiq Wireframes (free licenses for open source)",
    "offer_url": "https://balsamiq.com/company/free/",
    "what_you_get": "Historically, free Balsamiq Wireframes licenses granted to open source projects (part of Balsamiq's long-running \"free licenses for do-gooders\" program alongside nonprofits and classrooms). No longer offered.",
    "eligibility": {
     "applies_to": "project",
     "notes": "Historical program; current eligibility no longer published."
    },
    "how_to_apply": "No longer possible; the former application page is gone.",
    "status": "discontinued",
    "last_verified": "2026-07-06",
    "verification_source": "manual: former free-licenses page returns 403/gone; current discounts page (balsamiq.com/support/sales/discounts/) lists only a 50% nonprofit discount and no open source program; givingback/opensource page covers only Balsamiq's own OSS contributions"
   }
  ],
  "slug": "balsamiq"
 },
 {
  "company": "Better Code Hub",
  "website": "https://bettercodehub.com/",
  "categories": [
   "testing"
  ],
  "offers": [
   {
    "product": "Better Code Hub (maintainability analysis)",
    "offer_url": "https://bettercodehub.com/",
    "what_you_get": "Formerly offered free source code maintainability analysis (10 SIG guidelines) for open source repositories. The service has been retired and is no longer available.",
    "eligibility": {
     "applies_to": "project"
    },
    "how_to_apply": "No longer possible; site says to contact Software Improvement Group about Sigrid instead.",
    "status": "discontinued",
    "last_verified": "2026-07-06",
    "verification_source": "manual: bettercodehub.com states 'Better Code Hub has retired!' and points to Sigrid via direct contact only"
   }
  ],
  "slug": "better-code-hub"
 },
 {
  "company": "Bitrise",
  "website": "https://www.bitrise.io/",
  "categories": [
   "ci-cd"
  ],
  "offers": [
   {
    "product": "Bitrise mobile CI/CD for open source",
    "offer_url": "https://bitrise.io/blog/post/free-developer-plan-features-for-open-source-projects-on-bitrise",
    "verify_anchor": [
     "free for open source projects"
    ],
    "what_you_get": "Free Developer Plan features for public open source projects: one dedicated concurrency per project, build times up to 45 minutes, unlimited builds, unlimited team members, public build pages/logs with automatic secret filtering.",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "App must be added as \"public\" with an https:// repo URL; benefits attach to the project automatically."
    },
    "how_to_apply": "Log in to Bitrise, \"Add new app\", choose the \"public\" option, and connect the repo via HTTPS URL.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: Bitrise blog offer page live, details free Developer Plan features for public OSS projects"
   }
  ],
  "slug": "bitrise"
 },
 {
  "company": "Blacksmith",
  "website": "https://www.blacksmith.sh",
  "categories": [
   "ci-cd"
  ],
  "offers": [
   {
    "product": "Blacksmith GitHub Actions runners (OSS program)",
    "offer_url": "https://www.blacksmith.sh/pricing",
    "verify_anchor": [
     "free plan falling short for many OSS"
    ],
    "what_you_get": "Free use of Blacksmith's high-performance GitHub Actions runners and CI services for qualifying open source projects (program currently supports projects such as Celery, Ladybird, Zen and Limbo).",
    "eligibility": {
     "active_development_required": true,
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "Requires an actively maintained public repo, a permissive OSS license, and clear community usage; applications reviewed individually."
    },
    "how_to_apply": "Submit the OSS program application form on the Blacksmith pricing page.",
    "status": "active",
    "last_verified": "2026-07-07",
    "verification_source": "manual: pricing page live with OSS program section listing eligibility (actively maintained public repo, permissive license, community usage) and application form"
   }
  ],
  "slug": "blacksmith"
 },
 {
  "company": "BrowserStack",
  "website": "https://www.browserstack.com",
  "categories": [
   "testing"
  ],
  "offers": [
   {
    "product": "BrowserStack Open Source program (Live, Automate, Percy)",
    "offer_url": "https://www.browserstack.com/open-source",
    "verify_anchor": [
     "Open Source program"
    ],
    "what_you_get": "Free unlimited testing on desktop and mobile with Live, Automate, and Percy for 5 users and 5 parallel tests, across 3,000+ browsers and real devices; membership lasts for the duration of the project.",
    "eligibility": {
     "applies_to": "project",
     "notes": "For open source projects; a project URL is required when applying."
    },
    "how_to_apply": "Sign up (or sign in) via the open source program page and provide the project URL during registration.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: open-source page live, unlimited Live/Automate/Percy testing free for OSS projects, 5 users / 5 parallels"
   }
  ],
  "slug": "browserstack"
 },
 {
  "company": "BugSnag",
  "website": "https://www.bugsnag.com",
  "categories": [
   "error-tracking"
  ],
  "offers": [
   {
    "product": "BugSnag error monitoring (open source / non-profit plan)",
    "offer_url": "https://www.bugsnag.com/open-source/",
    "verify_anchor": [
     "Free for Open Source"
    ],
    "what_you_get": "Free standard plan for open source projects and non-profits: unlimited BugSnag usage with up to 15,000 events per month, up to 15 collaborators, and access to the Releases Dashboard and Session Tracking.",
    "eligibility": {
     "osi_license_required": true,
     "non_commercial_only": true,
     "applies_to": "project",
     "notes": "Requires an open source license (or non-profit certificate); project must be non-commercial, non-political, non-offensive, non-religious, and must display the BugSnag logo with a backlink on its site."
    },
    "how_to_apply": "Create a free BugSnag account, then submit the request form on the offer page with your license, README/About page, account email, and proof of the BugSnag logo backlink.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: offer page live, states free plan with 15,000 events/month and 15 collaborators for open source and non-profits"
   }
  ],
  "slug": "bugsnag"
 },
 {
  "company": "Buildkite",
  "website": "https://buildkite.com",
  "categories": [
   "ci-cd"
  ],
  "offers": [
   {
    "product": "Buildkite Pipelines (free Pro plan for open source)",
    "offer_url": "https://buildkite.com/pricing/",
    "verify_anchor": [
     "free for open source projects"
    ],
    "what_you_get": "Free access to the Pro plan (normally $30 USD per active user per month) for open source projects; usage and inclusions are discussed with Buildkite on a case-by-case basis.",
    "eligibility": {
     "applies_to": "project",
     "notes": "Must be an open source project; approval handled case-by-case by Buildkite."
    },
    "how_to_apply": "Contact Buildkite to discuss usage and inclusions; no self-service signup for the open source plan.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: pricing page live, states 'Buildkite is free for open source projects' with contact-us application"
   }
  ],
  "slug": "buildkite"
 },
 {
  "company": "Bump.sh",
  "website": "https://bump.sh",
  "categories": [
   "documentation"
  ],
  "offers": [
   {
    "product": "Bump.sh Pro plan (API documentation)",
    "offer_url": "https://bump.sh/pricing/",
    "verify_anchor": [
     "get free access to Bump.sh Pro plan"
    ],
    "what_you_get": "Free access to the Bump.sh Pro plan (listed at $250/month) for open source projects, hosted API documentation and changelogs for OpenAPI/AsyncAPI definitions.",
    "eligibility": {
     "applies_to": "project",
     "notes": "Project must be submitted for approval; page states only \"Submit your project and get free access to Bump.sh Pro plan. We love open source.\""
    },
    "how_to_apply": "Email hello@bump.sh with your open source project details (link on the pricing page).",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: pricing page live, states 'Submit your project and get free access to Bump.sh Pro plan. We love open source.'"
   }
  ],
  "slug": "bump-sh"
 },
 {
  "company": "Bunny.net",
  "website": "https://bunny.net",
  "categories": [
   "cdn"
  ],
  "offers": [
   {
    "product": "hop.js (free open-source CDN)",
    "offer_url": "https://hopjs.bunny.net/",
    "what_you_get": "Completely free CDN for open-source packages: serves millions of npm and cdnjs packages globally from bunny.net's 119+ datacenters, with all logging disabled (no tracking or profiling), malware scanning of files before distribution, and packages permanently mirrored to Bunny Storage. URL-compatible with cdnjs/jsDelivr (swap hostname to cdn.hopjs.net).",
    "eligibility": {
     "applies_to": "project",
     "notes": "Serves publicly published open-source packages (npm and cdnjs repositories); no account or application needed to load packages."
    },
    "how_to_apply": "No application; reference files directly via https://cdn.hopjs.net/npm/<package>/<version>/<file> or browse packages at hopjs.bunny.net.",
    "status": "active",
    "last_verified": "2026-07-07",
    "verification_source": "manual: hopjs.bunny.net live ('Free privacy-first JavaScript and CSS CDN'); details from bunny.net launch blog post"
   }
  ],
  "slug": "bunny-net"
 },
 {
  "company": "Cachix",
  "website": "https://www.cachix.org",
  "categories": [
   "storage",
   "ci-cd"
  ],
  "offers": [
   {
    "product": "Cachix Nix binary cache (open source tier)",
    "offer_url": "https://www.cachix.org/pricing",
    "verify_anchor": [
     "free 5 GB limit for open source projects"
    ],
    "what_you_get": "Free Nix binary cache with a 5 GB storage limit (compressed) for open source projects, plus 20 Cachix Deploy agents.",
    "eligibility": {
     "applies_to": "project",
     "notes": "Offer is stated as being for open source projects; page does not document a verification process or further criteria."
    },
    "how_to_apply": "Sign up on cachix.org; the free open source tier is provisioned on signup for OSS use.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: pricing page live, states free 5 GB limit for open source projects and 20 Deploy agents"
   }
  ],
  "slug": "cachix"
 },
 {
  "company": "Cal.com",
  "website": "https://cal.com",
  "categories": [
   "project-management",
   "other"
  ],
  "offers": [
   {
    "product": "Cal.com OSS sponsorship (sponsored team plan)",
    "offer_url": "https://cal.com/help/event-types/sponsor",
    "verify_anchor": [
     "Can Cal.com sponsor my open source project"
    ],
    "what_you_get": "Sponsored (free) access to Cal.com's paid team offering for open source projects (applicants provide their Cal.com team slug); exact plan tier is not specified on the page. In exchange the project must display a \"Book us with Cal.com\" banner in its footer and README with UTM-tagged links.",
    "eligibility": {
     "applies_to": "project",
     "notes": "Project must be open source and non-commercial, or a commercial open source company with less than $2M ARR; must explain why the generic free tier / self-hosted open core is insufficient. Limited openings per month; requests reviewed monthly at Cal.com's discretion."
    },
    "how_to_apply": "Email peer@cal.com with project description, confirmation of criteria, why the free tier is insufficient, your Cal.com team slug, and a link to the repository.",
    "renewal": "Sponsorships reviewed monthly; continued banner display required.",
    "status": "active",
    "last_verified": "2026-07-07",
    "verification_source": "manual: cal.com/help/event-types/sponsor live, OSS sponsorship terms (<$2M ARR, banner requirement, monthly review)"
   }
  ],
  "slug": "cal-com"
 },
 {
  "company": "Caphyon",
  "website": "https://www.advancedinstaller.com",
  "categories": [
   "ide-tools"
  ],
  "offers": [
   {
    "product": "Advanced Installer (Architect license)",
    "offer_url": "https://www.advancedinstaller.com/free-license.html",
    "verify_anchor": [
     "Free Advanced Installer License for Open-Source"
    ],
    "what_you_get": "Free Advanced Installer Architect license (the highest tier) for developers of open source projects, for building Windows installers.",
    "eligibility": {
     "applies_to": "project",
     "notes": "Must have an open source project; detailed criteria not published, reviewed per request."
    },
    "how_to_apply": "Email support@advancedinstaller.com with your name and details about your open source project; response in 1-2 business days.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: free-license.html live, offers free Architect license for open source projects via email request"
   }
  ],
  "slug": "caphyon"
 },
 {
  "company": "CatchJS",
  "website": "https://catchjs.com",
  "categories": [
   "error-tracking"
  ],
  "offers": [
   {
    "product": "CatchJS JavaScript error tracking",
    "offer_url": "https://catchjs.com/",
    "verify_anchor": [
     "free subscription to such projects"
    ],
    "what_you_get": "Complimentary (free) CatchJS subscription for open source software projects; site states they give free subscriptions to open source projects out of appreciation for the OSS community. Exact plan tier not specified on the page.",
    "eligibility": {
     "applies_to": "project",
     "notes": "Must be part of an open source software project; detailed criteria not published."
    },
    "how_to_apply": "Apply via the form at https://catchjs.com/Contact/OpenSource (linked \"Click here to apply\" on the homepage).",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: homepage live, states free subscription for open source projects with apply link"
   }
  ],
  "slug": "catchjs"
 },
 {
  "company": "CDN77",
  "website": "https://www.cdn77.com",
  "categories": [
   "cdn"
  ],
  "offers": [
   {
    "product": "CDN77 open-source sponsorship",
    "offer_url": "https://www.cdn77.com/sponsorship",
    "verify_anchor": [
     "support open-source"
    ],
    "what_you_get": "Free CDN77 content delivery services for accepted open-source projects (\"we offer our services for free to those who make the internet a better place\"). Sponsored projects include Blender, GNOME, Let's Encrypt, Fedora, Manjaro and 20+ others.",
    "eligibility": {
     "applies_to": "project",
     "notes": "Projects evaluated case-by-case on \"added value, longevity, and relevance to our industry\"."
    },
    "how_to_apply": "Email juraj.kacaba@cdn77.com (Head of Client Implementations) describing the project in detail, why it matters, and how CDN77 can support it.",
    "status": "active",
    "last_verified": "2026-07-07",
    "verification_source": "manual: sponsorship page live, states free services for open-source projects with sponsor list"
   }
  ],
  "slug": "cdn77"
 },
 {
  "company": "Certum",
  "website": "https://www.certum.eu",
  "categories": [
   "security"
  ],
  "offers": [
   {
    "product": "Open Source Code Signing certificate",
    "offer_url": "https://shop.certum.eu/open-source-code-signing.html",
    "verify_anchor": [
     "Open Source Code Signing"
    ],
    "what_you_get": "NOT free, a heavily discounted code signing certificate product for open source developers, priced \"from EUR 69.00 gross\" (far below standard code signing certificates). The set bundles the certificate with a cryptoCertum 3.7 IDPrime 940C mini cryptographic card and a card reader (ACS ACR39T-A1 or Omnikey 6121, depending on availability).",
    "eligibility": {
     "applies_to": "maintainer",
     "notes": "Aimed at programmers/developers who share their software free to use or as an open source project; identity verification documents required, but no formal OSS eligibility criteria are published on the product page."
    },
    "how_to_apply": "Purchase the set from the Certum shop page and complete Certum's identity verification process (documents per their support pages).",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: shop page live, product 'Open Source Code Signing' from EUR 69 gross; discounted product, not a free program"
   }
  ],
  "slug": "certum"
 },
 {
  "company": "Chromatic",
  "website": "https://www.chromatic.com",
  "categories": [
   "testing"
  ],
  "offers": [
   {
    "product": "Chromatic visual testing (Open Source plan)",
    "offer_url": "https://www.chromatic.com/pricing",
    "verify_anchor": [
     "Free for open source"
    ],
    "what_you_get": "Free Chromatic for open source projects (\"Free for open source. Building in the open? We'd love to support your project.\"). Specific snapshot limits for the OSS plan are not published on the pricing page.",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "Page says \"Contact us to see if you're eligible\"; no explicit published criteria beyond building in the open."
    },
    "how_to_apply": "Contact Chromatic sales via the \"Contact Sales\" link on the pricing page to request open source eligibility.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: chromatic.com/pricing live, states 'Free for open source' with contact-based eligibility check"
   }
  ],
  "slug": "chromatic"
 },
 {
  "company": "CircleCI",
  "website": "https://circleci.com/",
  "categories": [
   "ci-cd"
  ],
  "offers": [
   {
    "product": "CircleCI open source plan",
    "offer_url": "https://circleci.com/open-source/",
    "verify_anchor": [
     "Free OSS Continuous Integration"
    ],
    "what_you_get": "Free CI/CD credits for open source organizations: up to 400,000 credits per month for Linux, Arm, and Docker builds plus 30,000 credits per month for macOS and Windows builds, with enterprise-grade features such as SSH debugging, Docker layer caching, and self-hosted runners.",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "organization"
    },
    "how_to_apply": "Sign up for free on circleci.com with your open source project; credits apply to OSS builds.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: open-source page live, states 400k credits/month Linux and 30k credits/month macOS/Windows for OSS"
   }
  ],
  "slug": "circleci"
 },
 {
  "company": "Cirrus Labs",
  "website": "https://cirrus-ci.org",
  "categories": [
   "ci-cd"
  ],
  "offers": [
   {
    "product": "Cirrus CI",
    "offer_url": "https://cirrus-ci.org/pricing/",
    "what_you_get": "Historically: free CI for public OSS repositories on Linux, Windows, macOS and FreeBSD (including ARM), capped at 50 compute credits/month (~10,000 Linux CPU-minutes). Service has been shut down.",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project"
    },
    "how_to_apply": "No longer possible; service discontinued.",
    "status": "discontinued",
    "last_verified": "2026-07-06",
    "verification_source": "manual: cirrus-ci.org unresolvable; Cirrus Labs joined OpenAI (announced 2026-04-07), Cirrus CI stopped running jobs 2026-06-01 per multiple sources incl. postgresql.org mailing list and project issue trackers"
   }
  ],
  "slug": "cirrus-labs"
 },
 {
  "company": "Cirun",
  "website": "https://cirun.io",
  "categories": [
   "ci-cd"
  ],
  "offers": [
   {
    "product": "Cirun (open source plan)",
    "offer_url": "https://cirun.io/pricing",
    "verify_anchor": [
     "free for open source"
    ],
    "what_you_get": "Cirun service free forever for open source: unlimited public repositories and unlimited self-hosted GitHub Actions runners on all supported cloud providers, including ARM-based and GPU runners. Runners launch in your own cloud account, so underlying cloud compute costs are yours.",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "Free plan covers public repositories only; private repos require a paid tier."
    },
    "how_to_apply": "Sign up via the Get Started flow on cirun.io and connect your repository and cloud account.",
    "status": "active",
    "last_verified": "2026-07-07",
    "verification_source": "manual: cirun.io/pricing live; Open Source tier states 'always free for open source' with unlimited public repos and runners"
   }
  ],
  "slug": "cirun"
 },
 {
  "company": "Cloud9",
  "website": "https://c9.io",
  "categories": [
   "ide-tools"
  ],
  "offers": [
   {
    "product": "Cloud9 IDE (free workspaces for open source)",
    "offer_url": "https://c9.io/",
    "what_you_get": "Formerly offered free cloud development workspaces for open source projects on c9.io. After the AWS acquisition, c9.io now redirects to AWS Cloud9, a paid AWS service with no open source offer.",
    "eligibility": {
     "applies_to": "project",
     "notes": "Historical only; the original c9.io service no longer exists."
    },
    "how_to_apply": "Not possible; c9.io redirects to AWS Cloud9, which has no OSS program.",
    "status": "discontinued",
    "last_verified": "2026-07-06",
    "verification_source": "manual: c9.io 302-redirects to aws.amazon.com/cloud9, which mentions no free open source offer"
   }
  ],
  "slug": "cloud9"
 },
 {
  "company": "Cloudflare",
  "website": "https://www.cloudflare.com",
  "categories": [
   "cdn",
   "security",
   "hosting"
  ],
  "offers": [
   {
    "product": "Project Alexandria (open source program)",
    "offer_url": "https://www.cloudflare.com/lp/project-alexandria/",
    "what_you_get": "Recurring annual credits providing Cloudflare products free, tailored to project size: Pro/Business/Enterprise plan upgrades (Rules, Polish image optimization, WAF, Security Analytics, Page Shield), increased Workers and Pages request limits, expanded R2 object storage, advanced Zero Trust (Remote Browser Isolation, unlimited users), and a dedicated Discord channel.",
    "eligibility": {
     "osi_license_required": true,
     "non_commercial_only": true,
     "applies_to": "project",
     "notes": "Must be an open source project with a recognized OSS license and operate solely on a non-profit basis and/or align with the program's mission."
    },
    "how_to_apply": "Apply via the Project Alexandria application form on the landing page.",
    "renewal": "Credits recur annually.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: Cloudflare blog 'Expanding Cloudflare's support for open source projects with Project Alexandria' + LP confirmed via search (direct fetch 403 bot-blocked)"
   }
  ],
  "slug": "cloudflare"
 },
 {
  "company": "Cloudsmith",
  "website": "https://cloudsmith.com",
  "categories": [
   "storage",
   "other"
  ],
  "offers": [
   {
    "product": "Cloudsmith open source repository hosting",
    "offer_url": "https://docs.cloudsmith.com/resources/open-source-hosting-policy",
    "verify_anchor": [
     "Open-Source Hosting Policy"
    ],
    "what_you_get": "At least 50 GB of artifact storage plus 200 GB/month of package delivery free across open source repositories (28+ package formats, global CDN edge distribution), including Pro-plan features such as geo/IP restrictions, access logs, and statistics. Exceptional projects can negotiate larger sponsored quotas.",
    "eligibility": {
     "applies_to": "project",
     "notes": "Primary project must be free and open source; applicant must be a maintainer with significant control; no minor forks; artifacts served must be for the project itself (not dependencies only); visible attribution to Cloudsmith required; commercial entities should use paid plans."
    },
    "how_to_apply": "No advance approval needed: create an open source repository and follow the policy; Cloudsmith may verify eligibility later.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: docs.cloudsmith.com open-source-hosting-policy live, states 50GB storage + 200GB/mo delivery free for qualifying OSS"
   }
  ],
  "slug": "cloudsmith"
 },
 {
  "company": "Codacy",
  "website": "https://www.codacy.com/",
  "categories": [
   "testing"
  ],
  "offers": [
   {
    "product": "Codacy Open Source plan",
    "offer_url": "https://www.codacy.com/pricing",
    "verify_anchor": [
     "Free forever for open-source projects"
    ],
    "what_you_get": "Free-forever Open Source plan for public repositories: cloud-hosted code quality and security scans, AI-powered code review, shared coding standards across 49 languages, coverage reports, and GitHub/Bitbucket/ GitLab integration. Pricing page labels Team-plan features \"Free forever for open-source projects.\"",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "Applies when working exclusively on public projects."
    },
    "how_to_apply": "Sign up with your Git provider (no credit card required); public repositories stay free on the Open Source plan.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: pricing page live, states 'Free forever for open-source projects' for public repos"
   }
  ],
  "slug": "codacy"
 },
 {
  "company": "Code Climate",
  "website": "https://codeclimate.com/",
  "categories": [
   "testing"
  ],
  "offers": [
   {
    "product": "Code Climate Quality (free for open source)",
    "offer_url": "https://codeclimate.com/blog/code-climate-is-free-for-open-source",
    "verify_anchor": [
     "Is Free for Open Source"
    ],
    "what_you_get": "Formerly offered free automated code review and maintainability/test coverage analysis for open source repositories. The Quality product was spun out to a separate company (Qlty Software) in December 2025 and the Code Climate open source program no longer exists; Code Climate now focuses on its enterprise Velocity product.",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project"
    },
    "how_to_apply": "No longer possible via Code Climate; docs.codeclimate.com now redirects to docs.qlty.sh (Qlty Software).",
    "status": "discontinued",
    "last_verified": "2026-07-06",
    "verification_source": "manual: codeclimate.com returns 503; Quality spun out to Qlty Software (Dec 2025), Code Climate docs redirect to docs.qlty.sh with no OSS program stated"
   }
  ],
  "slug": "code-climate"
 },
 {
  "company": "Codeac.io",
  "website": "https://www.codeac.io",
  "categories": [
   "testing"
  ],
  "offers": [
   {
    "product": "Codeac automated code review (open source plan)",
    "offer_url": "https://www.codeac.io/pricing.html",
    "verify_anchor": [
     "Open-source $0 Forever"
    ],
    "what_you_get": "Forever-free plan for open source with unlimited public repositories on Codeac's automated code quality / SAST analysis platform; private repositories require the paid Pro plan.",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "Applies to public repositories; no separate approval process published."
    },
    "how_to_apply": "Sign up at app.codeac.io and connect public repositories; no application needed.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: pricing page live, shows forever-free open source plan with unlimited public repositories"
   }
  ],
  "slug": "codeac-io"
 },
 {
  "company": "CodeAnt AI",
  "website": "https://www.codeant.ai",
  "categories": [
   "ai-ml",
   "security"
  ],
  "offers": [
   {
    "product": "CodeAnt AI code review and security platform (100% off for open source)",
    "offer_url": "https://www.codeant.ai/pricing",
    "verify_anchor": [
     "100% OFF FOR OPEN SOURCE"
    ],
    "what_you_get": "CodeAnt AI's AI code review, SAST security scanning, and code quality platform at 100% off (free) for open source projects.",
    "eligibility": {
     "applies_to": "project",
     "notes": "Pricing page states \"100% OFF FOR OPEN SOURCE\" but publishes no detailed eligibility criteria; granted case-by-case via email."
    },
    "how_to_apply": "Email amartya@codeant.ai with subject \"Open Source Work\" (link on the pricing page).",
    "status": "active",
    "last_verified": "2026-07-07",
    "verification_source": "manual: pricing page live, banner '100% OFF FOR OPEN SOURCE' with contact email"
   }
  ],
  "slug": "codeant-ai"
 },
 {
  "company": "codebeat",
  "website": "https://codebeat.co/",
  "categories": [
   "testing"
  ],
  "offers": [
   {
    "product": "codebeat automated code review",
    "offer_url": "https://codebeat.co/",
    "what_you_get": "Formerly offered free automated code review and quality analytics for open source (public) repositories, covering mobile and web codebases. The service has shut down entirely.",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project"
    },
    "how_to_apply": "No longer possible; the service is defunct.",
    "status": "discontinued",
    "last_verified": "2026-07-06",
    "verification_source": "manual: codebeat.co shows shutdown notice ('Servers are down, support is closed'), redirects to codequest.com"
   }
  ],
  "slug": "codebeat"
 },
 {
  "company": "Codeberg",
  "website": "https://codeberg.org",
  "categories": [
   "hosting",
   "ci-cd"
  ],
  "offers": [
   {
    "product": "Codeberg (Forgejo git hosting, Pages, CI/CD, Weblate)",
    "offer_url": "https://codeberg.org/",
    "what_you_get": "Free Git repository hosting on Forgejo, static site hosting via Codeberg Pages, CI/CD (Woodpecker-based), and a Weblate translation instance, run by a Berlin-based non-profit funded by membership dues and donations (629k+ projects hosted).",
    "eligibility": {
     "applies_to": "project",
     "notes": "Services are explicitly for free and open-source projects; content must comply with Codeberg's FOSS-focused terms of use."
    },
    "how_to_apply": "Register an account directly at codeberg.org; no approval process for standard use.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: homepage live, states it 'provides services to free and open-source projects' including Git hosting, Pages, CI/CD, Weblate"
   }
  ],
  "slug": "codeberg"
 },
 {
  "company": "Codecov",
  "website": "https://codecov.io/",
  "categories": [
   "testing"
  ],
  "offers": [
   {
    "product": "Codecov (code coverage for open source)",
    "offer_url": "https://about.codecov.io/for/open-source/",
    "verify_anchor": [
     "free for open source projects"
    ],
    "what_you_get": "Free code coverage analysis for open source projects, including coverage reporting, PR comments with coverage information delivered directly on pull requests, and status checks to block pull requests that fail to meet coverage targets. Page states Codecov \"will always be free for open source projects.\"",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "Works with GitHub, GitLab, Bitbucket, and Sentry accounts; an org admin must approve the org."
    },
    "how_to_apply": "Sign up free at codecov.io/login/ by connecting a GitHub/GitLab/Bitbucket account; no separate application.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: dedicated open-source page live, states Codecov will always be free for open source projects"
   }
  ],
  "slug": "codecov"
 },
 {
  "company": "CodeFactor",
  "website": "https://www.codefactor.io/",
  "categories": [
   "testing"
  ],
  "offers": [
   {
    "product": "CodeFactor Community plan",
    "offer_url": "https://www.codefactor.io/pricing",
    "what_you_get": "Free Community plan ($0/month) with unlimited public repositories and unlimited users for automated code quality / static analysis; private repositories are not included (0 private repos on the free plan).",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project"
    },
    "how_to_apply": "Sign up on codefactor.io and connect your public repositories; no separate application.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: pricing page live, Community plan $0 with unlimited public repos, 0 private repos"
   }
  ],
  "slug": "codefactor"
 },
 {
  "company": "CodeRabbit",
  "website": "https://coderabbit.ai",
  "categories": [
   "ai-ml"
  ],
  "offers": [
   {
    "product": "CodeRabbit AI code review (Open Source plan)",
    "offer_url": "https://www.coderabbit.ai/pricing",
    "verify_anchor": [
     "free open-source plan"
    ],
    "what_you_get": "Free AI code reviews forever for public repositories (rate-limited Pro features), including PR summarization and reviews in IDE/CLI, with no additional setup required.",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project"
    },
    "how_to_apply": "Sign up for CodeRabbit with GitHub or GitLab and install it on a public repository; the free open source plan applies automatically.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: pricing page live, states 'free reviews forever for public repositories'"
   }
  ],
  "slug": "coderabbit"
 },
 {
  "company": "CodeScene",
  "website": "https://codescene.com",
  "categories": [
   "testing"
  ],
  "offers": [
   {
    "product": "CodeScene for Open Source (community edition)",
    "offer_url": "https://codescene.com/product/codescene-for-open-source",
    "verify_anchor": [
     "Free for your open-source project"
    ],
    "what_you_get": "Free CodeScene community edition for open source projects: automated code reviews via PR integration, technical debt management with Hotspots, Code Health measurement, knowledge distribution visualization, PDF analysis reports, virtual code review, and customizable Code Health rules.",
    "eligibility": {
     "applies_to": "project",
     "notes": "Pricing page states \"CodeScene is free for open-source projects\"; no further published criteria."
    },
    "how_to_apply": "Use the \"Get community edition\" flow linked from codescene.com/pricing.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: pricing page live, dedicated free community edition for open source projects distinct from paid Standard/Pro plans"
   }
  ],
  "slug": "codescene"
 },
 {
  "company": "CodSpeed",
  "website": "https://codspeed.io",
  "categories": [
   "testing",
   "ci-cd"
  ],
  "offers": [
   {
    "product": "CodSpeed continuous benchmarking (Free plan for open source)",
    "offer_url": "https://codspeed.io/pricing",
    "verify_anchor": [
     "support open source projects"
    ],
    "what_you_get": "Free continuous performance tracking in CI with unlimited users for open-source projects (private repos capped at 5 users), unlimited repository runs, 600 macro runner minutes/month, 3-month history, pull-request performance reports, and CPU/wall-time instruments.",
    "eligibility": {
     "osi_license_required": true,
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "Project must be publicly accessible with an OSI-approved license."
    },
    "how_to_apply": "Use the Free plan directly; for extra macro runner minutes email support@codspeed.io with project details.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: pricing page live, Free plan states 'Unlimited for open-source projects' with OSI-approved license requirement"
   }
  ],
  "slug": "codspeed"
 },
 {
  "company": "Concord",
  "website": "https://www.concord.tech",
  "categories": [
   "other"
  ],
  "offers": [
   {
    "product": "Concord data privacy / consent compliance platform (Essentials plan)",
    "offer_url": "https://www.concord.tech/open-source",
    "verify_anchor": [
     "Free Plan for Life"
    ],
    "what_you_get": "Essentials plan free for life for verifiable open source projects: data privacy compliance management and consent/trust tools for the project's site.",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "Must be a verifiable open source project; application asks for a link to a verifiable open source repo."
    },
    "how_to_apply": "Fill in the form on the open source page with name, email, website URL, and a verifiable open source repo link.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: open-source page live, states Essentials plan FREE for life for verifiable open source projects"
   }
  ],
  "slug": "concord"
 },
 {
  "company": "Convex",
  "website": "https://www.convex.dev",
  "categories": [
   "database",
   "hosting"
  ],
  "offers": [
   {
    "product": "Convex Open Source Program (free Convex Pro)",
    "offer_url": "https://www.convex.dev/open-source-program",
    "verify_anchor": [
     "Convex for Open Source"
    ],
    "what_you_get": "Free Convex Pro for one team with the built-in monthly Pro resource limits, plus swag (stickers, shirts, gear) and direct access to the Convex team and developer community.",
    "eligibility": {
     "active_development_required": true,
     "applies_to": "project",
     "notes": "Project must be actively maintained and fully open source, be built with Convex or planning to integrate it, and support the developer ecosystem (tools, libraries, or resources). Funded companies and startups are directed to the separate Convex for Startups program. Linking back to Convex is encouraged but not required."
    },
    "how_to_apply": "Apply at convex.dev/open-source-program/apply; applications reviewed on a rolling basis with a response within 60 days.",
    "status": "active",
    "last_verified": "2026-07-07",
    "verification_source": "manual: program page live, states free Convex Pro for one team for actively maintained fully open source projects"
   }
  ],
  "slug": "convex"
 },
 {
  "company": "Cossistant",
  "website": "https://cossistant.com",
  "categories": [
   "communication",
   "other"
  ],
  "offers": [
   {
    "product": "Cossistant Pro plan (OSS friends Program)",
    "offer_url": "https://cossistant.com/open-source-program",
    "verify_anchor": [
     "Open Source Program"
    ],
    "what_you_get": "Cossistant Pro plan (support/chat widget) free with included credits, plus a dofollow listing on their featured projects page, a guest blog post opportunity, and integration/customization help from the team.",
    "eligibility": {
     "active_development_required": true,
     "non_commercial_only": true,
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "Requires a public GitHub repo with recent activity and 100+ stars; project must not be profitable yet. In return, must keep Cossistant branding in the widget and display a linked OSS badge in the README."
    },
    "how_to_apply": "Apply via the \"Join the OSS friends Program\" button on the page.",
    "status": "active",
    "last_verified": "2026-07-07",
    "verification_source": "manual: cossistant.com/open-source-program live, states free Pro plan for 100+ star non-profitable OSS projects"
   }
  ],
  "slug": "cossistant"
 },
 {
  "company": "Coveralls",
  "website": "https://coveralls.io/",
  "categories": [
   "testing"
  ],
  "offers": [
   {
    "product": "Coveralls test coverage",
    "offer_url": "https://coveralls.io/pricing",
    "verify_anchor": [
     "free for open source"
    ],
    "what_you_get": "Free test coverage tracking, history, and statistics for open source repositories. Pricing page states \"Coveralls will always be free for open source.\"",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project"
    },
    "how_to_apply": "Sign up via the standard registration flow on coveralls.io and add your open source repository; no separate application.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: pricing page live, states Coveralls will always be free for open source"
   }
  ],
  "slug": "coveralls"
 },
 {
  "company": "Coverity Scan",
  "website": "https://scan.coverity.com/",
  "categories": [
   "security",
   "testing"
  ],
  "offers": [
   {
    "product": "Coverity Scan static analysis",
    "offer_url": "https://scan.coverity.com/",
    "verify_anchor": [
     "open source project for free"
    ],
    "what_you_get": "Free static analysis for open source projects in Java, C/C++, C#, JavaScript, Ruby, or Python, analyzing every line of code and potential execution path, with defect root-cause explanations, GitHub/Travis CI integration, and a web interface for triaging defects. Build submission frequency limits vary by project size.",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "Must be an open source project; ~9,700 OSS projects use the service."
    },
    "how_to_apply": "Sign up and register your project on scan.coverity.com, upload your build, then view and fix defects in the web interface.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: page live, states 'fix defects in your ... open source project for free'; announcement dated July 2025 shows service active"
   }
  ],
  "slug": "coverity-scan"
 },
 {
  "company": "CppDepend",
  "website": "https://www.cppdepend.com",
  "categories": [
   "other"
  ],
  "offers": [
   {
    "product": "CppDepend Pro (Open Source Contributor License)",
    "offer_url": "https://www.cppdepend.com/cppdepend-for-oss",
    "verify_anchor": [
     "Free CppDepend Pro License for Open Source Contributors"
    ],
    "what_you_get": "Free CppDepend Pro license (C/C++ static analysis: code quality metrics, dependency analysis, code review automation, reports) for active open source contributors; reported as a 1-year license.",
    "eligibility": {
     "min_project_age_months": 3,
     "active_development_required": true,
     "applies_to": "contributors",
     "notes": "Applicant must be a project lead or active committer with at least three months of contributions and active community engagement. Requires adding the CppDepend logo with a link on the project page."
    },
    "how_to_apply": "Add the CppDepend logo/link to the project page, then email support@cppdepend.com with your name and project URL.",
    "renewal": "1-year license (re-request for renewal).",
    "status": "active",
    "last_verified": "2026-07-07",
    "verification_source": "manual: offer page live (references v2026.1), states free Pro license for project leads/active committers with 3+ months of contributions"
   }
  ],
  "slug": "cppdepend"
 },
 {
  "company": "Crowdin",
  "website": "https://crowdin.com",
  "categories": [
   "other"
  ],
  "offers": [
   {
    "product": "Crowdin (Open Source plan)",
    "offer_url": "https://crowdin.com/page/open-source-project-setup-request",
    "verify_anchor": [
     "Open Source License"
    ],
    "what_you_get": "Crowdin localization management platform \"completely free of charge for open-source projects\", including access to beta features, the Global Translation Memory, and Neural Machine Translator access.",
    "eligibility": {
     "osi_license_required": true,
     "min_project_age_months": 3,
     "active_development_required": true,
     "non_commercial_only": true,
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "Must be the project lead; project needs an active collaborator community, regularly updated website news, and regular releases. Applicants agree to join the beta group and contribute translations to the shared translation memory."
    },
    "how_to_apply": "Create a translation project in Crowdin, then submit the request form on the offer page (project name, license, website, description).",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: offer page live, states Crowdin is completely free for open-source projects meeting listed criteria"
   }
  ],
  "slug": "crowdin"
 },
 {
  "company": "cubic",
  "website": "https://www.cubic.dev",
  "categories": [
   "ai-ml",
   "ide-tools"
  ],
  "offers": [
   {
    "product": "cubic AI code review (free for open source)",
    "offer_url": "https://www.cubic.dev/pricing-plans",
    "verify_anchor": [
     "free for open source teams"
    ],
    "what_you_get": "cubic's AI code review is 100% free for open source teams: connect it to a public repository to get unlimited AI reviews on pull requests, with codebase-wide, context-aware analysis.",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project"
    },
    "how_to_apply": "No application; connect cubic to a public repository via the GitHub integration.",
    "status": "active",
    "last_verified": "2026-07-07",
    "verification_source": "manual: pricing page live, states 'cubic is 100% free for open source teams' and free for public repositories"
   }
  ],
  "slug": "cubic"
 },
 {
  "company": "Cypress",
  "website": "https://www.cypress.io/",
  "categories": [
   "testing"
  ],
  "offers": [
   {
    "product": "Cypress Cloud Open Source Plan",
    "offer_url": "https://docs.cypress.io/cloud/account-management/billing-and-usage#Open-Source-Plan",
    "verify_anchor": [
     "free Open Source Plan"
    ],
    "what_you_get": "Free Cypress Cloud plan for qualifying open source projects with 5 free user seats, 100,000 test results per month, parallelization with load balancing, and access to integrations.",
    "eligibility": {
     "osi_license_required": true,
     "non_commercial_only": true,
     "public_repo_required": true,
     "applies_to": "organization",
     "notes": "All projects in the Cypress Cloud organization must be public and non-commercial; organization must have recorded at least 500 tests."
    },
    "how_to_apply": "In the Cypress Cloud dashboard go to Billing & Usage, click Upgrade, select \"Apply for an open source plan\", and submit the application form; the Cypress team reviews and confirms by email.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: pricing page states Cypress Cloud 'free to use for non-commercial open-source, public projects'; OSS plan docs live with quotas"
   }
  ],
  "slug": "cypress"
 },
 {
  "company": "Datadog",
  "website": "https://www.datadoghq.com",
  "categories": [
   "monitoring",
   "security"
  ],
  "offers": [
   {
    "product": "Datadog observability platform (Open Source Projects program)",
    "offer_url": "https://www.datadoghq.com/partner/open-source/",
    "verify_anchor": [
     "open source license"
    ],
    "what_you_get": "Free Datadog account for the project's own infrastructure: cloud observability and security platform including infrastructure and APM monitoring, 1,000+ integrations, code analysis and profiling, and database/user activity monitoring. Host counts and telemetry event volumes may be limited.",
    "eligibility": {
     "osi_license_required": true,
     "min_project_age_months": 12,
     "non_commercial_only": true,
     "applies_to": "project",
     "notes": "Minimum 5 regular contributors; at least 2 maintainers must work for different companies. Monitored infrastructure must directly support the project itself (monitoring third-party instances of the project is out of scope). Projects are asked to tell the community how they use Datadog."
    },
    "how_to_apply": "Application form on the partner program page; Datadog evaluates submissions case by case.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: datadoghq.com/partner/open-source/ live; free accounts for non-commercial OSS projects 1+ year old with 5+ contributors"
   }
  ],
  "slug": "datadog"
 },
 {
  "company": "DeepScan",
  "website": "https://deepscan.io",
  "categories": [
   "testing"
  ],
  "offers": [
   {
    "product": "DeepScan static analysis (free open source plan)",
    "offer_url": "https://deepscan.io/pricing",
    "verify_anchor": [
     "is free for open source projects"
    ],
    "what_you_get": "Free static analysis for unlimited public JavaScript/TypeScript projects, with automatic GitHub synchronization, code quality grading, and three months of historical trend data.",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project"
    },
    "how_to_apply": "Sign up with GitHub on deepscan.io and add public repositories; the free open source plan applies automatically.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: pricing page live, free plan offers 'Unlimited public projects' for open source"
   }
  ],
  "slug": "deepscan"
 },
 {
  "company": "DeepSource",
  "website": "https://deepsource.com",
  "categories": [
   "testing",
   "security"
  ],
  "offers": [
   {
    "product": "DeepSource static analysis (OSS plan)",
    "offer_url": "https://deepsource.com/pricing",
    "what_you_get": "Free plan for open source: unlimited public repositories, unlimited team members, 1,000 pull requests reviewed per month, static analysis, SAST, IaC scanning, code coverage, secrets detection, and 1,000 automated code formatting runs per month (AI Review/Autofix are pay-as-you-go).",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "\"Free for open-source projects, and always will be\"; no formal vetting described beyond repositories being public open source."
    },
    "how_to_apply": "Sign up on deepsource.com and connect public repositories; no separate application.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: pricing page live, dedicated OSS plan with 1,000 PRs/month for public open source repos"
   }
  ],
  "slug": "deepsource"
 },
 {
  "company": "DeployHQ",
  "website": "https://www.deployhq.com/",
  "categories": [
   "ci-cd"
  ],
  "offers": [
   {
    "product": "DeployHQ open source discount",
    "offer_url": "https://www.deployhq.com/blog/how-deployhq-is-open-open-source-students-and-non-profits",
    "verify_anchor": [
     "Supporting Open Source"
    ],
    "what_you_get": "NOT free, a 50% discount on DeployHQ deployment automation plans for open source projects (also students and non-profits). A separate generic free tier (3 projects, unlimited deployments) is available to everyone.",
    "eligibility": {
     "applies_to": "project",
     "notes": "Open source projects, students, and non-profits qualify; approval by DeployHQ required."
    },
    "how_to_apply": "Sign up, then contact/email DeployHQ with details of your open source project to request the discount.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: DeployHQ blog post live, states 50% discount for open source projects, students and non-profits"
   }
  ],
  "slug": "deployhq"
 },
 {
  "company": "DigitalOcean",
  "website": "https://www.digitalocean.com",
  "categories": [
   "hosting"
  ],
  "offers": [
   {
    "product": "DigitalOcean Credits for Open Source",
    "offer_url": "https://www.digitalocean.com/open-source",
    "what_you_get": "Grants of DigitalOcean infrastructure credits for a project's development, infrastructure, and testing needs, usable on Droplets, managed databases, App Platform, and managed Kubernetes. Grant amounts vary by project tier; each grant lasts one year.",
    "eligibility": {
     "osi_license_required": true,
     "applies_to": "project",
     "notes": "Project must meet DigitalOcean's Grant Tier Criteria; a Code of Conduct is encouraged but not strictly required."
    },
    "how_to_apply": "Application form on the Credits for Open Source page; review takes 7-10 business days, notification by email.",
    "renewal": "Annual re-application required; renewal not guaranteed, reminders start 65 days before expiration.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: digitalocean.com/open-source live, describes credit grants for OSI-licensed projects with annual renewal."
   }
  ],
  "slug": "digitalocean"
 },
 {
  "company": "Discourse",
  "website": "https://www.discourse.org",
  "categories": [
   "communication"
  ],
  "offers": [
   {
    "product": "Discourse hosted forum (probono plan for open source)",
    "offer_url": "https://www.discourse.org/open-source",
    "verify_anchor": [
     "qualifying creators can apply for free hosting"
    ],
    "what_you_get": "Free managed Discourse forum hosting on the probono plan: unlimited members and chat, unlimited public and private categories, unlimited tags, custom groups, email support, custom and community themes, custom domain, API and webhook access, and 5 staff seats. Hosted on a .discourse.group subdomain unless approved for a custom domain.",
    "eligibility": {
     "applies_to": "project",
     "notes": "Aimed at popular open source projects; application form asks for project/repository link and contributor count (10+/100+/1000+/10000+). Detailed criteria in the \"Free Hosting for Open Source v2\" blog post."
    },
    "how_to_apply": "Application form on the offer page (email, community name, project link, description, contributor count, desired URL); agree to Discourse Self-Serve Hosting Terms.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: free.discourse.group redirects to discourse.org/free, page live, describes free probono hosting plan for open source projects."
   }
  ],
  "slug": "discourse"
 },
 {
  "company": "Docker",
  "website": "https://www.docker.com",
  "categories": [
   "ci-cd",
   "storage"
  ],
  "offers": [
   {
    "product": "Docker-Sponsored Open Source (Docker Hub + Team subscription)",
    "offer_url": "https://www.docker.com/community/open-source/application/",
    "verify_anchor": [
     "Open Source Program"
    ],
    "what_you_get": "Verified DSOS badge on Docker Hub, removal of Docker Hub rate limits for the project's public images (for maintainers and everyone pulling them), and one-year free Docker Team subscriptions for core contributors including Docker Desktop, 15 concurrent autobuilds, unlimited vulnerability scans, RBAC, audit logs, unlimited teams, and scoped tokens.",
    "eligibility": {
     "active_development_required": true,
     "non_commercial_only": true,
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "Project must be in public Docker Hub repos with publicly accessible source meeting the OSI open source definition; images or dependencies updated within the past 6 months; no commercialization pathway (donations acceptable)."
    },
    "how_to_apply": "Application form (Airtable) linked from the program page.",
    "renewal": "Benefits valid one year; renewable if requirements still met.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: program page live, describes free Team subscription, no rate limits, and verified badge for OSS projects"
   }
  ],
  "slug": "docker"
 },
 {
  "company": "ej-technologies",
  "website": "https://www.ej-technologies.com",
  "categories": [
   "ide-tools"
  ],
  "offers": [
   {
    "product": "JProfiler (open source license)",
    "offer_url": "https://www.ej-technologies.com/jprofiler/openSource",
    "verify_anchor": [
     "Open Source Licenses"
    ],
    "what_you_get": "Free JProfiler (Java profiler) licenses covering a project's core committers, granted in exchange for a link to the JProfiler site (preferably a text link containing \"Java profiler\", no nofollow).",
    "eligibility": {
     "non_commercial_only": true,
     "applies_to": "contributors",
     "notes": "Non-profit open source projects with an established website and a released product."
    },
    "how_to_apply": "Online form on the offer page (project name, website URL, contact, number of developers); processing up to 24 hours, license sent by email.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: jprofiler/openSource page live, free licenses for non-profit OSS projects in exchange for a backlink"
   },
   {
    "product": "install4j (open source license)",
    "offer_url": "https://www.ej-technologies.com/install4j/openSource",
    "verify_anchor": [
     "Open Source Licenses"
    ],
    "what_you_get": "Free install4j (multi-platform Java installer builder) license for the project's developers, granted in exchange for a link to the install4j site (preferably a text link containing \"multi-platform installer builder\", no nofollow).",
    "eligibility": {
     "non_commercial_only": true,
     "applies_to": "contributors",
     "notes": "Non-profit open source projects with an established website and a released product."
    },
    "how_to_apply": "Online form on the offer page (project name, website URL, contact, max number of developers); processing up to 24 hours, license sent by email.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: install4j/openSource page live, free licenses for non-profit OSS projects in exchange for a backlink"
   }
  ],
  "slug": "ej-technologies"
 },
 {
  "company": "Ellipsis",
  "website": "https://www.ellipsis.dev",
  "categories": [
   "ai-ml",
   "ide-tools"
  ],
  "offers": [
   {
    "product": "Ellipsis AI code review (free for public repos)",
    "offer_url": "https://www.ellipsis.dev/pricing",
    "verify_anchor": [
     "free for open source"
    ],
    "what_you_get": "Ellipsis automated AI code review on GitHub pull requests, completely free for public GitHub repositories with no stated usage limits (private repos instead get a $10/month free usage tier then usage-based billing).",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project"
    },
    "how_to_apply": "No application; install the Ellipsis GitHub app - free access is granted automatically based on the repository being public.",
    "status": "active",
    "last_verified": "2026-07-07",
    "verification_source": "manual: pricing page live, states public GitHub repositories are free"
   }
  ],
  "slug": "ellipsis"
 },
 {
  "company": "elmah.io",
  "website": "https://elmah.io",
  "categories": [
   "error-tracking",
   "monitoring"
  ],
  "offers": [
   {
    "product": "elmah.io error logging and uptime monitoring (Small Business subscription)",
    "offer_url": "https://elmah.io/sponsorship/opensource/",
    "verify_anchor": [
     "Monitor your open source website for free"
    ],
    "what_you_get": "Free Small Business subscription to elmah.io (error logging and uptime monitoring for .NET) to monitor your open source project. Subscription may only be used for the open source project itself.",
    "eligibility": {
     "public_repo_required": true,
     "non_commercial_only": true,
     "applies_to": "project",
     "notes": "Project must be publicly available on GitHub, Bitbucket, or similar and be open source. Requires a backlink to elmah.io from the project's landing page or repository. Subscription restricted to monitoring that project only."
    },
    "how_to_apply": "Get in contact with elmah.io (via site contact) to redeem the free subscription, per the open source sponsorship page.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: sponsorship/opensource page live, states free Small Business subscription for open source projects with backlink requirement"
   }
  ],
  "slug": "elmah-io"
 },
 {
  "company": "Emerge Tools",
  "website": "https://www.emergetools.com",
  "categories": [
   "testing",
   "monitoring"
  ],
  "offers": [
   {
    "product": "Size Analysis (free for open source)",
    "offer_url": "https://www.emergetools.com/open-source",
    "verify_anchor": [
     "Size Analysis is free for non-commercial open source projects"
    ],
    "what_you_get": "Emerge's mobile app Size Analysis free for non-commercial open source projects: automated size insights, size tracking on every pull request, public shareable build links, dynamic README badges, and up to 5 maintainer accounts.",
    "eligibility": {
     "non_commercial_only": true,
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "Valid only for non-commercial open source projects."
    },
    "how_to_apply": "Submit your repository via the Google Form linked on the open-source page to receive setup instructions.",
    "status": "active",
    "last_verified": "2026-07-07",
    "verification_source": "manual: emergetools.com/open-source live, 'Size Analysis is free for non-commercial open source projects'"
   }
  ],
  "slug": "emerge-tools"
 },
 {
  "company": "Equinix Metal",
  "website": "https://deploy.equinix.com",
  "categories": [
   "hosting"
  ],
  "offers": [
   {
    "product": "Open-Source Partner Program (bare-metal infrastructure)",
    "offer_url": "https://deploy.equinix.com/open-source/",
    "what_you_get": "Formerly free bare-metal servers and network transfer for notable open source projects (e.g. freedesktop.org, Alpine Linux, CNCF community infrastructure). Program ended with the shutdown of the Equinix Metal platform.",
    "eligibility": {
     "applies_to": "project",
     "notes": "Program no longer accepting projects; platform sunset."
    },
    "how_to_apply": "No longer possible; the Equinix Metal platform was retired.",
    "status": "discontinued",
    "last_verified": "2026-07-06",
    "verification_source": "manual: Equinix Metal sunset June 30, 2026 (announced Nov 2024); press coverage confirms Open-Source Partner Program ended, FOSS projects migrating (LowEndBox, FOSS Force, Data Center Knowledge)."
   }
  ],
  "slug": "equinix-metal"
 },
 {
  "company": "Fastly",
  "website": "https://www.fastly.com",
  "categories": [
   "cdn"
  ],
  "offers": [
   {
    "product": "Fast Forward (free CDN and edge services)",
    "offer_url": "https://www.fastly.com/fast-forward",
    "verify_anchor": [
     "support open source projects"
    ],
    "what_you_get": "Free Fastly services (CDN, edge delivery and related services) for eligible open source projects and the nonprofits that support them. Program has backed major ecosystems (Python, Rust, Ruby, Apache projects) since 2014; exact quotas are agreed after application.",
    "eligibility": {
     "osi_license_required": true,
     "applies_to": "project",
     "notes": "Projects should be open (open source license, collaborative values), community-centered (inclusive to contributors), and built on trust (security-minded). Nonprofits supporting OSS also eligible."
    },
    "how_to_apply": "Application form on the Fast Forward page describing how the project meets the criteria; Fastly follows up about technical needs.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: fastly.com/fast-forward live, free services for eligible open source projects and supporting nonprofits"
   }
  ],
  "slug": "fastly"
 },
 {
  "company": "Fibery",
  "website": "https://fibery.com",
  "categories": [
   "project-management",
   "documentation"
  ],
  "offers": [
   {
    "product": "Fibery (work & knowledge management platform)",
    "offer_url": "https://fibery.com/blog/product-updates/fibery-special-pricing/",
    "verify_anchor": [
     "Open source companies support"
    ],
    "what_you_get": "Fibery is 100% free for all open-source projects (full product at no cost, not a discount). Fibery also offers a separate 50% permanent discount for educational and nonprofit organizations.",
    "eligibility": {
     "applies_to": "project",
     "notes": "Page states the offer applies to open-source projects; no detailed criteria (license, age, activity) are published. Applicants who do not fit standard categories are invited to contact Fibery directly."
    },
    "how_to_apply": "Submit the application form for open-source projects linked from the special-pricing page (\"just let us know\").",
    "status": "active",
    "last_verified": "2026-07-07",
    "verification_source": "manual: special-pricing page live at fibery.com, states 'Fibery is 100% free for all open-source projects' with application form"
   }
  ],
  "slug": "fibery"
 },
 {
  "company": "Fosshost",
  "website": "https://fosshost.org",
  "categories": [
   "hosting"
  ],
  "offers": [
   {
    "product": "Free VPS and web hosting for open source",
    "offer_url": "https://fosshost.org",
    "what_you_get": "Historically provided free VPS, web hosting, mirror and AArch64 compute to ~250 open source projects (including GNOME, Armbian, Debian and FSFE) at no charge. Service no longer exists.",
    "eligibility": {
     "applies_to": "project",
     "notes": "Program is defunct; listed for historical reference only."
    },
    "how_to_apply": "No longer possible; applications were suspended in September 2022 and the service reached end of life in December 2022.",
    "status": "discontinued",
    "last_verified": "2026-07-07",
    "verification_source": "manual: widely reported shutdown (BleepingComputer, Dec 2022) \u2014 volunteers announced end of life after CEO became unreachable and colocation bills could not be paid"
   }
  ],
  "slug": "fosshost"
 },
 {
  "company": "Gandi",
  "website": "https://www.gandi.net",
  "categories": [
   "other"
  ],
  "offers": [
   {
    "product": "Gandi Supports (domains/hosting support for community projects)",
    "offer_url": "https://www.gandi.net/en/gandi-supports",
    "what_you_get": "Case-by-case free support, the page states Gandi helps projects with \"financial, technical, administrative, or moral\" assistance (historically free domain names and hosting). No fixed tiers or quantities are published; supported projects listed include Debian, Ubuntu, GNOME, Framasoft, and Creative Commons.",
    "eligibility": {
     "applies_to": "project",
     "notes": "Not exclusively open source, program targets \"concrete, open, alternative\" projects offering an alternative to dominant commercial suppliers; in practice most listed beneficiaries are open source/community projects."
    },
    "how_to_apply": "Email non-profit@gandi.net with your project proposal.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: Gandi Supports page live, lists eligibility criteria (concrete/open/alternative), application email, and 30+ supported OSS projects; benefits are unspecified/case-by-case"
   }
  ],
  "slug": "gandi"
 },
 {
  "company": "GitBook",
  "website": "https://www.gitbook.com",
  "categories": [
   "documentation"
  ],
  "offers": [
   {
    "product": "Sponsored site plan (open source docs)",
    "offer_url": "https://www.gitbook.com/solutions/open-source",
    "verify_anchor": [
     "open source docs that help fund your project"
    ],
    "what_you_get": "Free branded documentation site for open source projects on the \"Sponsored site\" plan: custom domain, logo, theme and fonts, scaled docs with sections and groups, AI Assistant, advanced site insights, private share links, and search indexing control. Sites can optionally run ethical ads to fund the project; GitBook takes none of the ad revenue.",
    "eligibility": {
     "applies_to": "project",
     "notes": "Plan is described as designed for open source users; no further criteria stated on the page."
    },
    "how_to_apply": "Contact GitBook support via the button next to the Sponsored plan on the offer page.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: offer page live, describes free Sponsored site plan 'designed for open source users to create branded docs sites'"
   }
  ],
  "slug": "gitbook"
 },
 {
  "company": "GitHub",
  "website": "https://github.com",
  "categories": [
   "hosting",
   "ci-cd",
   "ai-ml"
  ],
  "offers": [
   {
    "product": "GitHub Copilot Pro (free for OSS maintainers)",
    "offer_url": "https://docs.github.com/en/copilot/how-tos/manage-your-account/get-free-access-to-copilot-pro",
    "verify_anchor": [
     "Access Copilot Pro for free"
    ],
    "what_you_get": "Free GitHub Copilot Pro subscription (the paid individual tier) for maintainers of popular open source repositories.",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "maintainer",
     "notes": "Must be a maintainer of a \"popular\" open source repository as determined by GitHub; no public threshold is published. Eligibility is re-evaluated by GitHub every month."
    },
    "how_to_apply": "No application form: check eligibility under profile menu > Copilot settings; access is granted automatically if you qualify.",
    "renewal": "Eligibility re-evaluated monthly by GitHub.",
    "status": "active",
    "last_verified": "2026-07-07",
    "verification_source": "manual: GitHub Docs page live, states Copilot Pro free for maintainers of popular open-source repositories, monthly re-evaluation"
   },
   {
    "product": "GitHub Actions, Packages and paid-tier features on public repositories",
    "offer_url": "https://github.com/pricing",
    "what_you_get": "GitHub Actions CI/CD minutes and Packages storage are free for public repositories on all plans (private-repo quotas like 2,000 minutes/500MB on Free do not apply), and paid-tier features such as repository rules, code owners, draft pull requests, and multiple pull request assignees are available free on public repositories.",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project"
    },
    "how_to_apply": "No application; benefits apply automatically to public repositories.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: pricing page live, Actions/Packages and several features marked 'Free for public repositories'"
   }
  ],
  "slug": "github"
 },
 {
  "company": "GitLab",
  "website": "https://about.gitlab.com",
  "categories": [
   "ci-cd",
   "hosting"
  ],
  "offers": [
   {
    "product": "GitLab for Open Source (GitLab Ultimate)",
    "offer_url": "https://about.gitlab.com/solutions/open-source/join/",
    "verify_anchor": [
     "Open Source Program"
    ],
    "what_you_get": "Free GitLab Ultimate features (SaaS or self-managed) plus 50,000 compute minutes calculated at a program-specific cost factor. Technical support is not included.",
    "eligibility": {
     "osi_license_required": true,
     "non_commercial_only": true,
     "public_repo_required": true,
     "applies_to": "organization",
     "notes": "All projects in the namespace must be OSI-licensed; the GitLab group and source code must be publicly visible. Donations allowed, but no selling services, paid enhancements, or add-ons."
    },
    "how_to_apply": "Create a GitLab account, then complete the application form on the Customers Portal; a coupon code and provisioning instructions arrive by email.",
    "renewal": "Annual renewal required; can renew up to three months early, account downgraded if lapsed.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: program pages live, Ultimate + 50k compute minutes free for OSI-licensed non-commercial projects"
   }
  ],
  "slug": "gitlab"
 },
 {
  "company": "Gitpod (Ona)",
  "website": "https://www.gitpod.io",
  "categories": [
   "ide-tools",
   "ai-ml"
  ],
  "offers": [
   {
    "product": "Ona for Open Source (cloud dev environments + AI agents)",
    "offer_url": "https://ona.com/open-source",
    "verify_anchor": [
     "monthly free credits for maintainers"
    ],
    "what_you_get": "Up to $200/month in free Ona credits for open source maintainers and contributors, usable for Ona's cloud development environments and AI software engineering agents. Successor to the former \"Gitpod for Open Source\" free plan after the Gitpod-to-Ona rebrand.",
    "eligibility": {
     "applies_to": "maintainer",
     "notes": "Open to maintainers and contributors of open source projects; detailed criteria not published on the announcement, decided at application review."
    },
    "how_to_apply": "Apply via the signup form at ona.com/open-source.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: old gitpod.io/for/opensource 308-redirects to ona.com (404); program relaunched as \"Ona for Open Source\" per ona.com/stories/ona-for-open-source and dev.to coverage (Feb 2026), $200/month free credits."
   }
  ],
  "slug": "gitpod-ona"
 },
 {
  "company": "GlobalSign",
  "website": "https://www.globalsign.com",
  "categories": [
   "security"
  ],
  "offers": [
   {
    "product": "Free SSL certificates for open source projects",
    "offer_url": "https://www.globalsign.com/en/ssl/ssl-open-source/",
    "verify_anchor": [
     "support the open source community"
    ],
    "what_you_get": "Free GlobalSign SSL certificates for qualifying open source projects, helping users verify they are receiving unmodified authentic software or source code.",
    "eligibility": {
     "osi_license_required": true,
     "active_development_required": true,
     "non_commercial_only": true,
     "applies_to": "project",
     "notes": "Must pass GlobalSign vetting, achieve an \"A\" rating on GlobalSign's SSL Checker, and accept the standard Subscriber Agreement."
    },
    "how_to_apply": "Fill out the contact form on the offer page; GlobalSign's team contacts you to discuss the project.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: offer page live, free SSL for OSI-licensed non-commercial projects passing vetting"
   }
  ],
  "slug": "globalsign"
 },
 {
  "company": "Go Report Card",
  "website": "https://goreportcard.com/",
  "categories": [
   "testing"
  ],
  "offers": [
   {
    "product": "Go Report Card code quality reports",
    "offer_url": "https://goreportcard.com/",
    "what_you_get": "Formerly free code quality grades (A+ to F) for public Go repositories, with badges for READMEs. The hosted service has been sunset; the code is still available on GitHub for self-hosting.",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project"
    },
    "how_to_apply": "No longer possible; the hosted service is shut down. Self-host from the GitHub repo or use golangci-lint, the alternative recommended by the maintainers.",
    "status": "discontinued",
    "last_verified": "2026-07-06",
    "verification_source": "manual: goreportcard.com now shows a sunset notice \u2014 'After more than a decade of serving the ecosystem, Go Report Card has been sunset'"
   }
  ],
  "slug": "go-report-card"
 },
 {
  "company": "Gradle Inc",
  "website": "https://gradle.com",
  "categories": [
   "ci-cd"
  ],
  "offers": [
   {
    "product": "Develocity (sponsored OSS instances)",
    "offer_url": "https://develocity.ai/oss-sponsored-by-develocity/",
    "verify_anchor": [
     "free open source program"
    ],
    "what_you_get": "Free hosted Develocity instances for key open source projects, including Build Scan, Build Cache, Failure Analytics, and Performance Insights for build/test acceleration and observability. Sponsored recipients include Spring, the Apache Software Foundation, Kotlin, Micronaut, Quarkus, and JUnit.",
    "eligibility": {
     "applies_to": "project",
     "notes": "Aimed at \"key\" established open source projects, mostly in the JVM ecosystem; no published eligibility rubric."
    },
    "how_to_apply": "No public application form; contact Gradle/Develocity directly via their contact channels.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: program page live at develocity.ai/oss-sponsored-by-develocity (gradle.com URL 301s there), states free Develocity instances for key OSS projects"
   }
  ],
  "slug": "gradle-inc"
 },
 {
  "company": "Graphite",
  "website": "https://graphite.com",
  "categories": [
   "ide-tools",
   "ci-cd",
   "ai-ml"
  ],
  "offers": [
   {
    "product": "Graphite for Open Source (Standard plan free)",
    "offer_url": "https://graphite.com/blog/startup-program-announcement",
    "verify_anchor": [
     "free for startups and open source projects"
    ],
    "what_you_get": "Full Graphite Standard plan free for open source projects: unlimited stacking (stacked PRs), insights, automations, and the stack-aware merge queue, with no limit on the number of contributors.",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "organization",
     "notes": "OSS projects with 10 or fewer GitHub org members are auto-detected and activated on signup; larger projects apply directly and are reviewed individually (program targets projects that could not otherwise afford a plan). Venture-backed \"open core\" companies with more than 10 members are excluded and directed to the standard trial."
    },
    "how_to_apply": "Small projects: sign up for a Graphite Standard annual plan and eligibility is auto-detected. Larger projects: contact Graphite with your GitHub org, website, and project description.",
    "status": "active",
    "last_verified": "2026-07-07",
    "verification_source": "manual: graphite.com/blog/startup-program-announcement live, 'Graphite is now free for startups and open source projects' with Standard-plan OSS terms"
   }
  ],
  "slug": "graphite"
 },
 {
  "company": "Greenkeeper",
  "website": "https://greenkeeper.io",
  "categories": [
   "security"
  ],
  "offers": [
   {
    "product": "Greenkeeper automated npm dependency management",
    "offer_url": "https://greenkeeper.io/",
    "verify_anchor": [
     "free plan for Open Source"
    ],
    "what_you_get": "Historically, free automated npm dependency monitoring and update PRs for open source repositories. The service ceased operation on June 3, 2020; the site directs users to Snyk as its successor for free open source dependency upgrades.",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "Historical eligibility; the service no longer operates."
    },
    "how_to_apply": "No longer possible; the site recommends migrating to Snyk.",
    "status": "discontinued",
    "last_verified": "2026-07-06",
    "verification_source": "manual: greenkeeper.io states 'Greenkeeper has said goodbye on June 3rd, 2020' and points to Snyk as successor"
   }
  ],
  "slug": "greenkeeper"
 },
 {
  "company": "Greptile",
  "website": "https://www.greptile.com",
  "categories": [
   "ai-ml",
   "ide-tools"
  ],
  "offers": [
   {
    "product": "Greptile AI Code Review (Open Source Program)",
    "offer_url": "https://www.greptile.com/open-source",
    "verify_anchor": [
     "Open Source Program"
    ],
    "what_you_get": "Greptile's codebase-aware AI code review on pull requests, free (100% off) for qualifying open source projects.",
    "eligibility": {
     "non_commercial_only": true,
     "applies_to": "project",
     "notes": "Non-commercial projects with MIT or Apache licenses are eligible, per the program page."
    },
    "how_to_apply": "Sign up via the open source program page (greptile.com/open-source); no separate application form is published.",
    "status": "active",
    "last_verified": "2026-07-07",
    "verification_source": "manual: open-source program page live, states 'Get Greptile free for your open source project', MIT/Apache non-commercial eligibility"
   }
  ],
  "slug": "greptile"
 },
 {
  "company": "HackerOne",
  "website": "https://www.hackerone.com",
  "categories": [
   "security"
  ],
  "offers": [
   {
    "product": "HackerOne Community Edition",
    "offer_url": "https://www.hackerone.com/company/open-source-community",
    "verify_anchor": [
     "HackerOne Community Edition"
    ],
    "what_you_get": "Free vulnerability coordination / bug bounty platform for open source projects: security page with disclosure policy, report management with discussion tools, intelligent duplicate detection, hacker reputation and private invites, API access, and analytics dashboards. Only cost is a 5% payment processing fee if you choose to pay bounties.",
    "eligibility": {
     "osi_license_required": true,
     "min_project_age_months": 3,
     "active_development_required": true,
     "non_commercial_only": true,
     "applies_to": "project",
     "notes": "Must add a SECURITY.md in the project root, link to the HackerOne profile from the project website, and respond to new reports within a week."
    },
    "how_to_apply": "Application form on the page (project name, website, motivation); reviews typically complete within one business week.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: Community Edition page live at hackerone.com/company/open-source-community (old /community/open-source URL 404s), free for OSI-licensed active projects"
   }
  ],
  "slug": "hackerone"
 },
 {
  "company": "Healthchecks.io",
  "website": "https://healthchecks.io",
  "categories": [
   "monitoring"
  ],
  "offers": [
   {
    "product": "Healthchecks.io Business plan (cron job monitoring)",
    "offer_url": "https://healthchecks.io/pricing/",
    "verify_anchor": [
     "Business plan free of charge for open"
    ],
    "what_you_get": "Business plan free of charge for open-source projects and nonprofits: monitor 100 jobs, 1,000 log entries per job, 50 SMS/WhatsApp credits, 20 phone call credits, and email support (vs. the generic free tier's 20 jobs and no credits).",
    "eligibility": {
     "applies_to": "project",
     "notes": "Open-source projects and nonprofits qualify; no further criteria stated."
    },
    "how_to_apply": "Contact Healthchecks.io (via the contact/about page) to get set up.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: pricing page live, states 'We offer the Business plan free of charge for open-source projects and nonprofits'"
   }
  ],
  "slug": "healthchecks-io"
 },
 {
  "company": "hello2morrow",
  "website": "https://www.hello2morrow.com",
  "categories": [
   "other"
  ],
  "offers": [
   {
    "product": "Sonargraph (free open source license)",
    "offer_url": "https://www.hello2morrow.com/products/sonargraph/non_commercial_license",
    "verify_anchor": [
     "open source project qualifies for a free license"
    ],
    "what_you_get": "Free Sonargraph license for qualifying open source projects (architecture and static code analysis for Java, Kotlin, C#, Python 3, Go, TypeScript, C/C++); the free license also covers Sonargraph-Build for use in CI (e.g. breaking the build on metric threshold violations).",
    "eligibility": {
     "applies_to": "project",
     "notes": "Open source project must not be controlled by a for-profit company or a government entity."
    },
    "how_to_apply": "Contact sales@hello2morrow.com to request the free open source license.",
    "status": "active",
    "last_verified": "2026-07-07",
    "verification_source": "manual: non-commercial license page live, states open source projects qualify for a free license if not controlled by a for-profit company or government entity"
   }
  ],
  "slug": "hello2morrow"
 },
 {
  "company": "Helpmonks",
  "website": "https://helpmonks.com",
  "categories": [
   "email"
  ],
  "offers": [
   {
    "product": "Helpmonks Hosted Edition (shared inbox)",
    "offer_url": "https://helpmonks.com/email-management-for-non-profits/",
    "verify_anchor": [
     "Email Management for non-profits and open source projects"
    ],
    "what_you_get": "Helpmonks Hosted Edition (SaaS shared team inbox / email management) free of charge for open source projects; nonprofits instead get a discount of up to 30% on all plans.",
    "eligibility": {
     "public_repo_required": true,
     "active_development_required": true,
     "non_commercial_only": true,
     "applies_to": "project",
     "notes": "Code must be publicly available (GitHub, Bitbucket, etc.) with proof the project is actively used; commercial open source projects are not accepted. Requests are evaluated individually."
    },
    "how_to_apply": "Create a free Helpmonks account, then email hi@helpmonks.com with the account details and information about the project and its online presence.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: offer page live, states Hosted Edition free of charge for open source projects"
   }
  ],
  "slug": "helpmonks"
 },
 {
  "company": "Heroku",
  "website": "https://www.heroku.com",
  "categories": [
   "hosting"
  ],
  "offers": [
   {
    "product": "Open Source Software Credit Program",
    "offer_url": "https://www.heroku.com/open-source-credit-program",
    "verify_anchor": [
     "Heroku Open Source Software Credit Program"
    ],
    "what_you_get": "A set monthly Heroku credit allocation for 12 months, typically $25 to $500 USD/month (discretionary), usable on Heroku products such as Dynos, Postgres, and Key-Value Store; not valid for third-party add-ons. Unused monthly credits do not roll over.",
    "eligibility": {
     "applies_to": "maintainer",
     "notes": "Applicant must maintain an open source project running (or intending to run) on Heroku, have an active Heroku account verified with a credit/debit card, use a standard open source license, and have a Code of Conduct. Salesforce employees and government officials excluded."
    },
    "how_to_apply": "Application form on the program page; applications reviewed once per month, approvals within ten business days.",
    "renewal": "Annual re-application required to keep receiving credits.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: program page live, states monthly credits ($25-$500) for 12 months for open source maintainers."
   }
  ],
  "slug": "heroku"
 },
 {
  "company": "Hound",
  "website": "https://houndci.com/",
  "categories": [
   "testing"
  ],
  "offers": [
   {
    "product": "Hound automated style review",
    "offer_url": "https://houndci.com/",
    "what_you_get": "Free automated code style review on GitHub pull requests for public repositories (\"Hound is free for public repos!\"), with comments on style issues, support for 12+ languages (JavaScript, Ruby, Python, Swift, PHP, Go, TypeScript, etc.) and customizable style guides. Private repos start at $29/month.",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project"
    },
    "how_to_apply": "Click \"Get started with GitHub\" and sign in with a GitHub account; no separate application.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: homepage live, states 'Hound is free for public repos!'"
   }
  ],
  "slug": "hound"
 },
 {
  "company": "Icons8",
  "website": "https://icons8.com",
  "categories": [
   "design"
  ],
  "offers": [
   {
    "product": "Icons8 graphics for open source projects",
    "offer_url": "https://icons8.com/license",
    "verify_anchor": [
     "projects can get our graphics for free"
    ],
    "what_you_get": "Free Icons8 graphics for established open source projects, the license page states \"Established open-source projects can get our graphics for free. For you, we'll open-source the needed resources.\" (Distinct from the generic free tier, which requires a visible link/attribution to icons8.com everywhere assets are used.)",
    "eligibility": {
     "applies_to": "project",
     "notes": "Must be an \"established\" open source project; no further criteria published."
    },
    "how_to_apply": "Contact the Icons8 support team via the \"Contact us\" link on the license page.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: license page live, quotes 'Established open-source projects can get our graphics for free'"
   }
  ],
  "slug": "icons8"
 },
 {
  "company": "Imgbot",
  "website": "https://imgbot.net",
  "categories": [
   "other"
  ],
  "offers": [
   {
    "product": "Imgbot automated image optimization (GitHub App)",
    "offer_url": "https://github.com/marketplace/imgbot",
    "what_you_get": "Free \"Open Source\" plan: unlimited public repos, unlimited users. Imgbot losslessly compresses images in your repository and opens automated pull requests with the optimized files.",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "Free plan covers public repositories only; private repos require a paid plan."
    },
    "how_to_apply": "Install the Imgbot GitHub App from the GitHub Marketplace listing and select the free open source plan for public repos.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: GitHub Marketplace listing live, free plan states unlimited public repos and users"
   }
  ],
  "slug": "imgbot"
 },
 {
  "company": "JetBrains",
  "website": "https://www.jetbrains.com",
  "categories": [
   "ide-tools",
   "ci-cd",
   "project-management"
  ],
  "offers": [
   {
    "product": "All Products Pack (OSS development licenses)",
    "offer_url": "https://www.jetbrains.com/community/opensource/",
    "verify_anchor": [
     "licenses for open source development"
    ],
    "what_you_get": "Free licenses for the full JetBrains product lineup (IntelliJ IDEA Ultimate, PyCharm, WebStorm, etc.) for a project's core contributors, for use on the open source project.",
    "eligibility": {
     "osi_license_required": true,
     "min_project_age_months": 3,
     "active_development_required": true,
     "non_commercial_only": true,
     "public_repo_required": true,
     "applies_to": "contributors",
     "notes": "Project may not offer paid sponsorship, receive commercial funding, provide paid support/consulting/training, or distribute paid versions; regular releases required; applicant must be a project lead or regular committer."
    },
    "how_to_apply": "Application form on the offer page; project lead applies on behalf of contributors.",
    "renewal": "Annual re-application required.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: program page live ('Licenses for Open Source Development'); eligibility terms confirmed from program text"
   },
   {
    "product": "TeamCity (Open Source license)",
    "offer_url": "https://www.jetbrains.com/community/opensource/",
    "verify_anchor": [
     "licenses for open source development"
    ],
    "what_you_get": "Free TeamCity Professional Server open source license: unlimited servers with up to 100 build configurations per server and 3 build agents per server at no cost, with free upgrades during the license term.",
    "eligibility": {
     "osi_license_required": true,
     "non_commercial_only": true,
     "applies_to": "project",
     "notes": "Restricted to development of non-commercial open source projects meeting the Open Source Definition; licensee must be an open source development group."
    },
    "how_to_apply": "Request via the JetBrains open source program page (team tool licenses, including TeamCity, are requested alongside All Products Pack subscriptions).",
    "renewal": "1-year license; free renewal on written request 30 days before expiration.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: TeamCity Open Source License Agreement live at jetbrains.com/legal/docs/teamcity/license_opensource/ (v10.3); OSS program lists TeamCity among team tools offered"
   },
   {
    "product": "YouTrack (OSS team license)",
    "offer_url": "https://www.jetbrains.com/community/opensource/",
    "verify_anchor": [
     "licenses for open source development"
    ],
    "what_you_get": "Free YouTrack issue tracking license for the open source team, requested through the JetBrains open source program (program covers team tools including YouTrack and TeamCity).",
    "eligibility": {
     "osi_license_required": true,
     "min_project_age_months": 3,
     "active_development_required": true,
     "non_commercial_only": true,
     "applies_to": "project",
     "notes": "Same program terms as All Products Pack: no paid sponsorship, commercial funding, paid support, or paid versions. Note YouTrack also has a generic free tier for up to 10 users for anyone."
    },
    "how_to_apply": "Request team tool licenses via the open source program application form.",
    "renewal": "Annual re-application required.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: OSS program text states core contributors may request licenses for team tools (YouTrack, TeamCity) in addition to All Products Pack"
   }
  ],
  "slug": "jetbrains"
 },
 {
  "company": "JetEmail",
  "website": "https://jetemail.com",
  "categories": [
   "email"
  ],
  "offers": [
   {
    "product": "Pro plan (open source sponsorship program)",
    "offer_url": "https://jetemail.com/open-source",
    "verify_anchor": [
     "free for open source projects"
    ],
    "what_you_get": "Free Pro tier for qualifying open source projects: 50,000 transactional emails per month via SMTP relay and HTTP API, unlimited verified domains, premium IP pool, inbound routing/webhooks, and delivery analytics; higher volume available on request.",
    "eligibility": {
     "osi_license_required": true,
     "active_development_required": true,
     "non_commercial_only": true,
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "Public repo on GitHub/GitLab/Codeberg or similar; maintainership verified via a project-linked email address; for the project itself, not commercial products."
    },
    "how_to_apply": "Submit repository URL, license type, sending use case and estimated monthly volume via the contact form on the offer page; review takes about two business days.",
    "status": "active",
    "last_verified": "2026-07-07",
    "verification_source": "manual: jetemail.com/open-source live; page states free Pro tier with 50k emails/month for OSI-licensed, actively developed projects"
   }
  ],
  "slug": "jetemail"
 },
 {
  "company": "jsDelivr",
  "website": "https://www.jsdelivr.com",
  "categories": [
   "cdn"
  ],
  "offers": [
   {
    "product": "jsDelivr public CDN for open source packages",
    "offer_url": "https://www.jsdelivr.com",
    "verify_anchor": [
     "reliable CDN for JS and open source"
    ],
    "what_you_get": "Free production CDN for open source packages published on npm or GitHub: four CDN and three DNS providers with 540+ points of presence, HTTP/3, brotli compression, on-demand minification, file combining, version aliasing, usage statistics, and a public API. No stated usage limits for eligible open source packages; serves 150 billion requests/month.",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "Package must be published on npm or a public GitHub repository; no application, works instantly."
    },
    "how_to_apply": "No application needed; load files directly via cdn.jsdelivr.net URLs for any npm or GitHub package.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: jsdelivr.com live, self-describes as \"a free CDN for open source projects\" built for production use."
   }
  ],
  "slug": "jsdelivr"
 },
 {
  "company": "KaiMail",
  "website": "https://kaimail.net",
  "categories": [
   "email"
  ],
  "offers": [
   {
    "product": "KaiMail email forwarding for custom domains",
    "offer_url": "https://kaimail.net/blog/email-for-open-source/tokyo-python-meetup-april-2026-email-in-python/",
    "verify_anchor": [
     "offer a free program for open source"
    ],
    "what_you_get": "Free program for open source projects and volunteer communities to use their own domain for email: custom-domain addresses (e.g. contact@, sponsors@, security@) with forwarding, DKIM/ARC signing, no mail server, no per-seat fees.",
    "eligibility": {
     "applies_to": "project",
     "notes": "Open source projects and volunteer communities; detailed criteria not published, set up per request."
    },
    "how_to_apply": "Contact KaiMail and tell them about your project or community (\"tell us about it and we will get you set up\").",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: KaiMail blog (April 2026) live, states free program for open source projects and volunteer communities to use their own domain"
   }
  ],
  "slug": "kaimail"
 },
 {
  "company": "Keploy",
  "website": "https://keploy.io/",
  "categories": [
   "testing"
  ],
  "offers": [
   {
    "product": "Keploy OSS Sponsorship (AI test generation)",
    "offer_url": "https://keploy.io/oss-sponsorship",
    "verify_anchor": [
     "open source license"
    ],
    "what_you_get": "Free AI-powered test generation for sponsored open source projects: automated tests from API traffic and code changes, API schema coverage analysis, PR-ready test suggestions, CI credits monthly, and placement in Keploy's OSS showcase. Tiers: Spark (5 seats, ~$9.5K/yr value), Orbit (10 seats, ~$19K), Constellation (20 seats, ~$38K).",
    "eligibility": {
     "osi_license_required": true,
     "active_development_required": true,
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "Must be willing to enable AI-generated tests on public PRs and agree to be featured in Keploy's OSS showcase; application-based, acceptance not guaranteed."
    },
    "how_to_apply": "Submit project details via the application form on the OSS sponsorship page; applications reviewed on a rolling basis, selected projects are tier-matched during onboarding.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: keploy.io/oss-sponsorship live with active application form and tiered sponsorship details"
   }
  ],
  "slug": "keploy"
 },
 {
  "company": "KeyCDN",
  "website": "https://www.keycdn.com",
  "categories": [
   "cdn"
  ],
  "offers": [
   {
    "product": "Open Source CDN account",
    "offer_url": "https://www.keycdn.com/open-source-cdn",
    "verify_anchor": [
     "We deliver open source software at speed and scale"
    ],
    "what_you_get": "Free KeyCDN account for open source projects to accelerate delivery of \"static assets on your website or a link to an open source library you want to accelerate\", including global network coverage, instant cache purging via API or dashboard, and delivery analytics. Past supported projects include Meteor, webpack, and FreeNAS.",
    "eligibility": {
     "applies_to": "project",
     "notes": "Must currently maintain an open source project needing CDN services."
    },
    "how_to_apply": "Contact KeyCDN via the offer page (\"Please contact us to get started\").",
    "status": "active",
    "last_verified": "2026-07-07",
    "verification_source": "manual: open-source-cdn page live, offers free CDN accounts to open source projects"
   }
  ],
  "slug": "keycdn"
 },
 {
  "company": "Keygen",
  "website": "https://keygen.sh",
  "categories": [
   "licensing-compliance",
   "storage"
  ],
  "offers": [
   {
    "product": "Free artifact distribution for open source projects",
    "offer_url": "https://keygen.sh/open-source/",
    "verify_anchor": [
     "support Open Source"
    ],
    "what_you_get": "Free artifact distribution (software distribution and automatic updates via Keygen Dist) for popular open source projects; the page cites Tabby as an example project given free distribution and auto-upgrades.",
    "eligibility": {
     "applies_to": "project",
     "notes": "Project must be open source and \"popular\"; no further criteria published, granted case-by-case."
    },
    "how_to_apply": "Contact Keygen by email (address on the open-source page); no formal application form.",
    "status": "active",
    "last_verified": "2026-07-07",
    "verification_source": "manual: keygen.sh/open-source live, states free artifact distribution for popular open source projects"
   }
  ],
  "slug": "keygen"
 },
 {
  "company": "TestMu AI (formerly LambdaTest)",
  "website": "https://www.testmuai.com",
  "categories": [
   "testing"
  ],
  "offers": [
   {
    "product": "Cross-browser and mobile testing platform (Open Source Program)",
    "offer_url": "https://www.testmuai.com/open-source/",
    "verify_anchor": [
     "Free Open Source Program"
    ],
    "what_you_get": "Free licenses to test open-source projects across 5,000+ browsers and devices, access to the test orchestration platform with built-in CI and analytics, plus mentorship, promotion, and optional financial sponsorship (a $250,000 open source grants pool). Program materials also mention 10 HyperExecute parallel sessions and full Test-at-Scale access for OSS projects.",
    "eligibility": {
     "osi_license_required": true,
     "active_development_required": true,
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "Valid open source license (MIT, Apache 2.0, GPL, etc.), publicly accessible on GitHub/GitLab, recent updates, and clear documentation (README) required."
    },
    "how_to_apply": "Fill out the application form on the open-source page with project details and repository URL; questions to support@testmuai.com.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: lambdatest.com/open-source-cross-browser-testing 301s to testmuai.com; testmuai.com/open-source/ live, free licenses for OSS projects"
   }
  ],
  "slug": "lambdatest"
 },
 {
  "company": "lgtm",
  "website": "https://lgtm.com/",
  "categories": [
   "security"
  ],
  "offers": [
   {
    "product": "LGTM.com automated code analysis",
    "offer_url": "https://lgtm.com/",
    "what_you_get": "Formerly offered free continuous security/code analysis (CodeQL-based) for open source projects. LGTM.com was shut down in December 2022 after GitHub acquired Semmle; its functionality moved into GitHub code scanning with CodeQL, which remains free for public repositories on GitHub.",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project"
    },
    "how_to_apply": "No longer possible; use GitHub code scanning (CodeQL) on public GitHub repositories instead.",
    "status": "discontinued",
    "last_verified": "2026-07-06",
    "verification_source": "manual: lgtm.com 301-redirects to GitHub blog post 'The next step for LGTM.com: GitHub code scanning' announcing the shutdown"
   }
  ],
  "slug": "lgtm"
 },
 {
  "company": "Localizely",
  "website": "https://localizely.com",
  "categories": [
   "other"
  ],
  "offers": [
   {
    "product": "Localizely translation management platform",
    "offer_url": "https://localizely.com/pricing/",
    "verify_anchor": [
     "Free for Open Source"
    ],
    "what_you_get": "Localizely (cloud translation/localization management platform) completely free for open-source projects; pricing page states \"If you have an open-source project or initiative that would benefit from our cloud localization platform, we'd like to help.\"",
    "eligibility": {
     "applies_to": "project",
     "notes": "Must be an open-source project or initiative; detailed criteria not published, reviewed per application."
    },
    "how_to_apply": "Submit the application form at https://localizely.com/open-source-project-request/ (linked from the pricing page).",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: pricing page live, states Localizely is completely free for open-source projects with an apply form"
   }
  ],
  "slug": "localizely"
 },
 {
  "company": "Lokalise",
  "website": "https://lokalise.com",
  "categories": [
   "other"
  ],
  "offers": [
   {
    "product": "Lokalise for open source",
    "offer_url": "https://lokalise.com/pricing/",
    "verify_anchor": [
     "we offer lokalise for free to open source projects"
    ],
    "what_you_get": "Free use of the Lokalise localization/translation management platform for open source projects (non-profits get a discount rather than a free plan).",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "Open source projects; qualification is confirmed by Lokalise on contact. Specific criteria are not published on the pricing page."
    },
    "how_to_apply": "Contact Lokalise (via the contact option referenced in the pricing FAQ) to confirm the project qualifies for the free plan.",
    "status": "active",
    "last_verified": "2026-07-12",
    "verification_source": "manual: pricing page FAQ states 'We offer Lokalise for free to open source projects' (collapsed accordion, only visible after JS render); re-confirmed by screenshot 2026-07-20"
   }
  ],
  "slug": "lokalise"
 },
 {
  "company": "Lost Pixel",
  "website": "https://lost-pixel.com",
  "categories": [
   "testing"
  ],
  "offers": [
   {
    "product": "Lost Pixel visual regression testing (open source plan)",
    "offer_url": "https://lost-pixel.com",
    "verify_anchor": [
     "Free for Open Source"
    ],
    "what_you_get": "Formerly free visual regression testing for open-source projects (historically 7,000 snapshots/month with unlimited team members). The product is being sunset following the team joining Figma; the open source self-hosted tool remains on GitHub.",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project"
    },
    "how_to_apply": "No longer recommended; the hosted platform is winding down after the Figma acquisition. Previously applicants contacted the team via a form on the site.",
    "status": "discontinued",
    "last_verified": "2026-07-06",
    "verification_source": "manual: lost-pixel.com live but announces 'Lost Pixel is joining Figma' and product sunset (announced April 2026)"
   }
  ],
  "slug": "lost-pixel"
 },
 {
  "company": "MacStadium",
  "website": "https://www.macstadium.com",
  "categories": [
   "ci-cd",
   "hosting"
  ],
  "offers": [
   {
    "product": "Open Source Program (hosted Mac mini)",
    "offer_url": "https://macstadium.com/company/opensource",
    "verify_anchor": [
     "open source program"
    ],
    "what_you_get": "Free access to a cloud-hosted, bare-metal Mac mini (Apple silicon available) for building and testing on macOS, typically used as a remote CI build agent. Over 100 open source projects sponsored, including Homebrew and Swift Package Index.",
    "eligibility": {
     "min_project_age_months": 3,
     "active_development_required": true,
     "applies_to": "project",
     "notes": "Applicant must be a project lead or regular contributor not paid to work on the project; project must not get the majority of its funding from commercial organizations; software must be free to users (paid support/consulting/training allowed); regular builds released."
    },
    "how_to_apply": "Join the waitlist on the program page; openings granted as they become available.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: program page live at macstadium.com/company/opensource (old /opensource URL is 404), states free Mac mini for approved OSS projects"
   }
  ],
  "slug": "macstadium"
 },
 {
  "company": "Mailman 3",
  "website": "https://mailman3.com",
  "categories": [
   "email"
  ],
  "offers": [
   {
    "product": "Hosted Mailman 3 mailing lists",
    "offer_url": "https://mailman3.com/",
    "verify_anchor": [
     "Open-source support initiative"
    ],
    "what_you_get": "Free hosting of GNU Mailman 3 mailing lists on the mailman3.com SaaS for open source software projects (\"We love open-source software and provide free hosting for OSS mailing lists\").",
    "eligibility": {
     "applies_to": "project",
     "notes": "Must be an open source software project; no further published criteria, applications are reviewed per request."
    },
    "how_to_apply": "Email hostmaster@mailman3.com with the project URL and approximate monthly email volume.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: site live, states free hosting for OSS mailing lists, apply via hostmaster@mailman3.com"
   }
  ],
  "slug": "mailman-3"
 },
 {
  "company": "Mergify",
  "website": "https://mergify.com",
  "categories": [
   "ci-cd"
  ],
  "offers": [
   {
    "product": "Mergify (merge queue & CI automation)",
    "offer_url": "https://mergify.com/pricing",
    "verify_anchor": [
     "Full product, zero cost"
    ],
    "what_you_get": "Full product at zero cost for open source projects (\"Full product, zero cost. For open source and teams up to 5.\"): CI Insights, Test Insights, Merge Queue, Merge Protections, and Stacks, plus email support.",
    "eligibility": {
     "applies_to": "project",
     "notes": "Free plan covers open source projects (private repositories are limited to 5 users); the pricing page does not detail what qualifies a project as open source."
    },
    "how_to_apply": "Sign up at dashboard.mergify.com via the Get started button; no application form.",
    "status": "active",
    "last_verified": "2026-07-07",
    "verification_source": "manual: pricing page live, free tier states full product at zero cost for open source projects"
   }
  ],
  "slug": "mergify"
 },
 {
  "company": "Meterian",
  "website": "https://www.meterian.io/",
  "categories": [
   "security"
  ],
  "offers": [
   {
    "product": "Meterian dependency vulnerability scanning (free for open source)",
    "offer_url": "https://www.meterian.io/plans/",
    "verify_anchor": [
     "are free for open source projects"
    ],
    "what_you_get": "Free plan with unlimited open-source projects (plus 1 closed-source project), 10 analyses per day, and HTML reports; public GitHub repos on the free plan are rescanned roughly every 2.5 hours.",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "Analyses are free for open source projects as long as the client detects the project as open source; classification is automatic."
    },
    "how_to_apply": "Sign in to the Meterian dashboard and scan your open source repositories; no application needed.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: plans page live, free plan lists 'Unlimited opensource projects'"
   }
  ],
  "slug": "meterian"
 },
 {
  "company": "Mintlify",
  "website": "https://www.mintlify.com",
  "categories": [
   "documentation"
  ],
  "offers": [
   {
    "product": "Mintlify Pro (OSS Program)",
    "offer_url": "https://www.mintlify.com/oss-program",
    "verify_anchor": [
     "supporting non-commercial open source projects"
    ],
    "what_you_get": "Mintlify Pro plan free forever for qualifying open source projects: hosted docs with custom domain and branding, advanced analytics, and interactive API playground with live testing (Pro normally $250/month).",
    "eligibility": {
     "osi_license_required": true,
     "non_commercial_only": true,
     "applies_to": "project",
     "notes": "Project must use a recognized OSS license (MIT, Apache 2.0, GPL, etc.), must not be venture-backed or revenue-funded, and must not be owned or primarily maintained by a for-profit company."
    },
    "how_to_apply": "Application form (Typeform) linked from the OSS program page.",
    "status": "active",
    "last_verified": "2026-07-07",
    "verification_source": "manual: mintlify.com/oss-program live, states 'Pro free forever' for non-commercial OSS-licensed projects"
   }
  ],
  "slug": "mintlify"
 },
 {
  "company": "MyGet",
  "website": "https://www.myget.org",
  "categories": [
   "other"
  ],
  "offers": [
   {
    "product": "MyGet Open Source subscription (package hosting)",
    "offer_url": "https://www.myget.org/opensource",
    "verify_anchor": [
     "MyGet Open Source Subscription"
    ],
    "what_you_get": "Free MyGet subscription for open source projects: public and community feeds, 1 GB storage, packages up to 100 MB each, Build Services and Symbols Services, and the option to promote feeds in the gallery. Higher storage can be requested in the application.",
    "eligibility": {
     "osi_license_required": true,
     "min_project_age_months": 3,
     "active_development_required": true,
     "non_commercial_only": true,
     "applies_to": "project",
     "notes": "Applicant must be a project lead or active contributor (commit within the last month); project must comply with the OSD, not be backed by commercial entities or paid contributors, and not sell services or paid versions."
    },
    "how_to_apply": "Web form on the offer page with name, email, project details, license, project age, and your role.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: opensource page live, states free plan with 1 GB storage and Build/Symbols services for qualifying OSS projects"
   }
  ],
  "slug": "myget"
 },
 {
  "company": "Navicat",
  "website": "https://www.navicat.com",
  "categories": [
   "database",
   "ide-tools"
  ],
  "offers": [
   {
    "product": "Navicat (Open Source Project License)",
    "offer_url": "https://www.navicat.com/en/store/open-source",
    "verify_anchor": [
     "open source license"
    ],
    "what_you_get": "Complimentary Navicat license (database GUI/administration tools) for approved open source projects; sponsored projects display a Navicat logo on their website.",
    "eligibility": {
     "osi_license_required": true,
     "min_project_age_months": 3,
     "active_development_required": true,
     "public_repo_required": true,
     "applies_to": "maintainer",
     "notes": "Applicant must be a project leader or committer with 3+ months on the project; project needs a publicly accessible website, regular updates, public source code, and must be an accredited non-profit organization."
    },
    "how_to_apply": "Application form on the offer page with project details (name, URL, description, developer count) and contact info; reviewed within 2 business days.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: navicat.com/en/store/open-source live, lists 7 eligibility criteria incl. OSI license and 3-month tenure"
   }
  ],
  "slug": "navicat"
 },
 {
  "company": "Neon",
  "website": "https://neon.com",
  "categories": [
   "database"
  ],
  "offers": [
   {
    "product": "Neon Open Source Program (Postgres platform credits)",
    "offer_url": "https://neon.com/programs/open-source",
    "verify_anchor": [
     "Open Source Program"
    ],
    "what_you_get": "Up to $5,000 per year in Neon platform credits for open source projects that use Postgres, plus $20 per referred customer (unlimited) and promotional support (blog features, social media, case studies, co-marketing).",
    "eligibility": {
     "osi_license_required": true,
     "applies_to": "project",
     "notes": "Software must be open source under a recognized license and self-hostable, must use Postgres as a component or extension, and must document how users can integrate it with Neon. Existing Neon usage not required, but integrated projects get priority."
    },
    "how_to_apply": "Application form on the program page; response typically within 1-3 business days.",
    "renewal": "Credits are granted annually (up to $5,000/year).",
    "status": "active",
    "last_verified": "2026-07-07",
    "verification_source": "manual: neon.com/programs/open-source live, states up to $5,000 yearly credits for Postgres-based OSS projects"
   }
  ],
  "slug": "neon"
 },
 {
  "company": "Netlify",
  "website": "https://www.netlify.com",
  "categories": [
   "hosting"
  ],
  "offers": [
   {
    "product": "Netlify Open Source plan",
    "offer_url": "https://www.netlify.com/legal/open-source-policy/",
    "verify_anchor": [
     "Open Source Plan Policy"
    ],
    "what_you_get": "Free Open Source plan with 10,000 credits per month, free production deploys, unlimited team members; sites remain active even if credits run out, and additional credits can be purchased at Pro plan rates.",
    "eligibility": {
     "osi_license_required": true,
     "non_commercial_only": true,
     "applies_to": "project",
     "notes": "OSI-approved license (or certain Creative Commons licenses with attribution), a code of conduct featured prominently in the repo or docs, and a \"powered by Netlify\" link/badge on the site's main page. Netlify monitors compliance and may downgrade violating plans."
    },
    "how_to_apply": "Fill out the application form linked from the open source policy page for review.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: open source policy page live (updated 2026), states 10,000 credits/month and unlimited team members for qualifying OSS projects"
   }
  ],
  "slug": "netlify"
 },
 {
  "company": "Nx Cloud",
  "website": "https://nx.dev",
  "categories": [
   "ci-cd"
  ],
  "offers": [
   {
    "product": "Nx Cloud (OSS plan)",
    "offer_url": "https://nx.dev/pricing",
    "verify_anchor": [
     "plan for open source projects"
    ],
    "what_you_get": "Free Nx Cloud plan for open source projects: fully managed remote caching, distributed task execution and unlimited CI pipeline executions, plus free full-featured Nx Powerpack licenses for OSS maintainers.",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "Aimed at open source repositories using Nx; maintainers wanting a Powerpack license can also reach out via powerpack-support@nrwl.io."
    },
    "how_to_apply": "Apply via the OSS plan application linked from the Nx pricing page FAQ (\"Is there a plan for open source projects?\"); confirm the Powerpack question in the form if you also want a Powerpack license.",
    "status": "active",
    "last_verified": "2026-07-07",
    "verification_source": "manual: nx.dev/pricing FAQ live and lists an open source plan; Nx docs/blog confirm free OSS plan with unlimited CI pipeline executions and free Powerpack for OSS"
   }
  ],
  "slug": "nx-cloud"
 },
 {
  "company": "OpenAI",
  "website": "https://openai.com",
  "categories": [
   "ai-ml"
  ],
  "offers": [
   {
    "product": "Codex for Open Source (ChatGPT Pro subscription)",
    "offer_url": "https://developers.openai.com/community/codex-for-oss",
    "verify_anchor": [
     "six months of chatgpt pro"
    ],
    "what_you_get": "6 months of free ChatGPT Pro with Codex access for open source maintainers, plus conditional access to Codex Security for repositories needing deeper security analysis.",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "maintainer",
     "notes": "For core maintainers of widely used public projects (press coverage cites roughly 1,000+ GitHub stars); projects that do not fit the criteria but play an important ecosystem role are invited to apply and explain why. You can apply for yourself or nominate another maintainer."
    },
    "how_to_apply": "Application form at openai.com/form/codex-for-oss/; reviewed on a rolling basis, Codex Security access reviewed case by case.",
    "renewal": "Subscription benefit lasts 6 months.",
    "status": "active",
    "last_verified": "2026-07-07",
    "verification_source": "manual: developers.openai.com/community/codex-for-oss live, lists 6 months ChatGPT Pro + Codex Security + fund credits"
   },
   {
    "product": "Codex Open Source Fund (API credit grants)",
    "offer_url": "https://openai.com/form/codex-open-source-fund/",
    "verify_anchor": [
     "supporting open source"
    ],
    "what_you_get": "One-time API credit grants of up to $25,000 per project from a $1 million fund, for open source projects integrating Codex CLI or OpenAI models (e.g. Codex-powered PR review or release automation).",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "Separate from the 6-month ChatGPT Pro subscription benefit; grants are one-time."
    },
    "how_to_apply": "Application form at openai.com/form/codex-open-source-fund/.",
    "status": "active",
    "last_verified": "2026-07-07",
    "verification_source": "manual: fund described on live Codex for OSS community page and openai.com application form (form URL blocks bots but program confirmed via developers.openai.com)"
   }
  ],
  "slug": "openai"
 },
 {
  "company": "OpenPanel",
  "website": "https://openpanel.dev",
  "categories": [
   "analytics"
  ],
  "offers": [
   {
    "product": "OpenPanel analytics (free for open source)",
    "offer_url": "https://openpanel.dev/open-source",
    "verify_anchor": [
     "Free Analytics for Open Source Projects"
    ],
    "what_you_get": "Free web/product analytics for open source projects with up to 2.5 million events per month, full feature access (funnels, retention, custom dashboards, real-time analytics), unlimited team members, and priority support.",
    "eligibility": {
     "osi_license_required": true,
     "active_development_required": true,
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "Requires OSI-approved license (MIT, Apache, GPL, etc.), public repo on GitHub/GitLab or similar, active development and community, and a primarily non-commercial purpose (commercial OSS considered case-by-case). In return: a backlink in your website or README and optionally a real-time visitor widget."
    },
    "how_to_apply": "Email oss@openpanel.dev with project URL, license type, and a brief description; response within a few business days.",
    "status": "active",
    "last_verified": "2026-07-07",
    "verification_source": "manual: openpanel.dev/open-source live, states 2.5M events/month free with OSI-license and backlink terms"
   }
  ],
  "slug": "openpanel"
 },
 {
  "company": "Oregon State University Open Source Lab (OSUOSL)",
  "website": "https://osuosl.org",
  "categories": [
   "hosting"
  ],
  "offers": [
   {
    "product": "Open source project hosting",
    "offer_url": "https://osuosl.org/services/hosting/",
    "verify_anchor": [
     "Managed and Unmanaged Hosting"
    ],
    "what_you_get": "Free managed and unmanaged hosting for open source projects (full server, partial server, or colocation of project-owned hardware), run by the lab that hosts the Linux kernel, Apache Software Foundation, Drupal and 150+ other open source communities.",
    "eligibility": {
     "osi_license_required": true,
     "applies_to": "project",
     "notes": "Project must follow an open development model and be freely available under an OSI-approved license; see OSUOSL Hosting Policy."
    },
    "how_to_apply": "Fill out the Hosting Request form on osuosl.org; the lab responds within a few days.",
    "status": "active",
    "last_verified": "2026-07-07",
    "verification_source": "manual: osuosl.org/services/hosting/ live; states managed/unmanaged hosting for projects under OSI-approved licenses with open development model"
   },
   {
    "product": "AArch64 and OpenPOWER development hosting",
    "offer_url": "https://osuosl.org/services/",
    "verify_anchor": [
     "150 other leading open source communities"
    ],
    "what_you_get": "Free access to ARM (AArch64) and POWER (PowerLinux/OpenPOWER) servers for functional development and CI/testing of open source software on those architectures (not for performance testing).",
    "eligibility": {
     "osi_license_required": true,
     "applies_to": "project",
     "notes": "Systems intended for functional development and testing only."
    },
    "how_to_apply": "Request via the hosting request process on osuosl.org.",
    "status": "active",
    "last_verified": "2026-07-07",
    "verification_source": "manual: osuosl.org/services/ live; lists AARCH64 and PowerLinux/OpenPOWER development hosting for open source communities"
   }
  ],
  "slug": "osuosl"
 },
 {
  "company": "packagecloud",
  "website": "https://packagecloud.io",
  "categories": [
   "other"
  ],
  "offers": [
   {
    "product": "Free for Open Source program (hosted package repositories)",
    "offer_url": "https://blog.packagecloud.io/packagecloud-loves-oss/",
    "verify_anchor": [
     "Free for Open Source"
    ],
    "what_you_get": "Free hosted package repositories (APT/DEB, YUM/RPM, npm, Maven, PyPI, RubyGems, etc.) for open source projects, beyond the generic free plan (2 GB storage / 10 GB bandwidth); the program announcement describes free hosting for OSS packages, with partner projects such as Phalcon and StackStorm.",
    "eligibility": {
     "applies_to": "project",
     "notes": "Must have an open source project; detailed criteria not published, granted on request."
    },
    "how_to_apply": "Sign up for the free 14-day trial at packagecloud.io, then contact packagecloud support to request the Free for Open Source program.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: blog post (2021-11-17) describing Free for Open Source program live; pricing page confirms free plan exists but OSS program is by request"
   }
  ],
  "slug": "packagecloud"
 },
 {
  "company": "POEditor",
  "website": "https://poeditor.com",
  "categories": [
   "other"
  ],
  "offers": [
   {
    "product": "POEditor (Open Source Project status)",
    "offer_url": "https://poeditor.com/kb/open-source-localization",
    "verify_anchor": [
     "provided for free on POEditor"
    ],
    "what_you_get": "Free localization for open source software with no string limitation (unlimited strings into unlimited languages, unlimited contributors), versus the regular free plan's 1,000-string cap.",
    "eligibility": {
     "osi_license_required": true,
     "applies_to": "project",
     "notes": "Must provide the OSI-approved license type, a project description, and a link to the project page when requesting OS status."
    },
    "how_to_apply": "Create a project in POEditor, then in project Settings > Advanced click the Request link next to \"Open Source Project\" and submit the form for review.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: KB page live, states unlimited strings free for OSI-licensed open source projects"
   }
  ],
  "slug": "poeditor"
 },
 {
  "company": "PostHog",
  "website": "https://posthog.com",
  "categories": [
   "analytics"
  ],
  "offers": [
   {
    "product": "PostHog for Startups credits (open source track)",
    "offer_url": "https://posthog.com/handbook/marketing/startups",
    "verify_anchor": [
     "open source projects without corporate backing"
    ],
    "what_you_get": "$50,000 in PostHog credits (product analytics, session replay, feature flags, etc.) via the PostHog for Startups program; qualifying open source projects can additionally have the standard 12-month credit expiry waived, effectively making the credits non-expiring.",
    "eligibility": {
     "non_commercial_only": true,
     "applies_to": "project",
     "notes": "Open source project without corporate backing and with less than $200k annual revenue."
    },
    "how_to_apply": "Sign up for PostHog Cloud, apply via the PostHog for Startups program (posthog.com/startups), then contact support to have the 12-month credit expiry waived.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: PostHog handbook page live, states small OSS projects without corporate backing and <$200k annual revenue can have the 12-month credit expiry waived"
   }
  ],
  "slug": "posthog"
 },
 {
  "company": "PullApprove",
  "website": "https://www.pullapprove.com/",
  "categories": [
   "testing"
  ],
  "offers": [
   {
    "product": "PullApprove code review workflows",
    "offer_url": "https://www.pullapprove.com/",
    "what_you_get": "Free use for public repositories (\"Free for public repos, 14-day trial for private\"): code review workflow management via CODEREVIEW.toml with path-based ownership, approval requirements, and team-based review routing for pull requests.",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project"
    },
    "how_to_apply": "Use it with a public repository; site says no account required, no separate application.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: pullapprove.com live, states 'Free for public repos, 14-day trial for private'"
   }
  ],
  "slug": "pullapprove"
 },
 {
  "company": "Pullfrog",
  "website": "https://pullfrog.com",
  "categories": [
   "ai-ml",
   "ide-tools"
  ],
  "offers": [
   {
    "product": "Pullfrog for OSS (model costs covered)",
    "offer_url": "https://pullfrog.com/for-oss",
    "what_you_get": "Pullfrog covers AI model costs for qualifying open source projects, providing unlimited Kimi K2 usage at no cost for its GitHub coding agent.",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "Repository must have over 1,000 GitHub stars."
    },
    "how_to_apply": "Apply via the link on the page, or contact support@pullfrog.com.",
    "status": "active",
    "last_verified": "2026-07-07",
    "verification_source": "manual: pullfrog.com/for-oss live, states unlimited Kimi K2 usage for repos with 1,000+ stars"
   }
  ],
  "slug": "pullfrog"
 },
 {
  "company": "PVS-Studio",
  "website": "https://pvs-studio.com",
  "categories": [
   "security",
   "other"
  ],
  "offers": [
   {
    "product": "PVS-Studio (Free Open Source License)",
    "offer_url": "https://pvs-studio.com/en/order/open-source-license/",
    "verify_anchor": [
     "open source Licensing"
    ],
    "what_you_get": "Free one-year PVS-Studio static analyzer license (C, C++, C#, Java) for a non-commercial open source project; one license per project, renewable annually.",
    "eligibility": {
     "non_commercial_only": true,
     "applies_to": "project",
     "notes": "Project must be a personal creative endeavor; commercial projects, organization-developed projects (with financing or hired developers), and mirrors/forks are excluded. Requires adding PVS-Studio credit markup to the project's README.md and mentioning PVS-Studio in commits that fix issues it found."
    },
    "how_to_apply": "Add the required PVS-Studio markup to README.md, then fill out the application form on the offer page.",
    "renewal": "Annual renewal available.",
    "status": "active",
    "last_verified": "2026-07-07",
    "verification_source": "manual: offer page live, states free one-year license for non-commercial open source projects with README credit requirement"
   }
  ],
  "slug": "pvs-studio"
 },
 {
  "company": "Qlty Software (Code Climate)",
  "website": "https://qlty.sh",
  "categories": [
   "testing"
  ],
  "offers": [
   {
    "product": "Qlty Cloud (code quality and coverage)",
    "offer_url": "https://qlty.sh/pricing",
    "verify_anchor": [
     "free for open source projects"
    ],
    "what_you_get": "Qlty Cloud (successor to Code Climate Quality) code health and coverage service free for community-based open source projects; Free-plan support via Discord and GitHub on a best-effort basis.",
    "eligibility": {
     "applies_to": "project",
     "notes": "Stated for \"community-based open source projects\"; no further published criteria."
    },
    "how_to_apply": "Sign up at qlty.sh; pricing page indicates OSS use of Qlty Cloud is free (contact them if verification needed).",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: qlty.sh/pricing live, states Qlty Cloud free for community-based open source projects; old docs.codeclimate.com URL redirects to docs.qlty.sh"
   }
  ],
  "slug": "qlty-software-code-climate"
 },
 {
  "company": "Read the Docs",
  "website": "https://about.readthedocs.com",
  "categories": [
   "documentation"
  ],
  "offers": [
   {
    "product": "Read the Docs Community documentation hosting",
    "offer_url": "https://about.readthedocs.com/pricing/",
    "what_you_get": "Free, ad-supported documentation hosting for open source projects on Read the Docs Community: public repository cloning, public docs hosting, automatic builds, versioning, search, pull request previews, and CDN hosting. \"Open source documentation is always free on Read the Docs Community.\"",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "For free and open-source projects; hosted docs are public and ad-supported."
    },
    "how_to_apply": "Self-serve, sign up for the Community tier via the \"Sign up for open source\" link on the pricing page.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: pricing page live, Community plan 'For free and open-source projects', free forever with ad-supported hosting"
   }
  ],
  "slug": "read-the-docs"
 },
 {
  "company": "RepoForge",
  "website": "https://repoforge.io",
  "categories": [
   "hosting"
  ],
  "offers": [
   {
    "product": "Hosted package repositories (open source plan)",
    "offer_url": "https://repoforge.io",
    "verify_anchor": [
     "Free For open source projects"
    ],
    "what_you_get": "Free-forever plan for open source projects with 100 MB storage and unlimited public packages on RepoForge's cloud-hosted package repositories.",
    "eligibility": {
     "non_commercial_only": true,
     "applies_to": "project",
     "notes": "Plan is for open source projects; not for commercial use."
    },
    "how_to_apply": "Sign up directly at app.repoforge.io; no separate approval process mentioned.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: site live, pricing shows free-forever open source plan (100 MB, unlimited public packages, non-commercial)"
   }
  ],
  "slug": "repoforge"
 },
 {
  "company": "Reviewable",
  "website": "https://reviewable.io/",
  "categories": [
   "testing"
  ],
  "offers": [
   {
    "product": "Reviewable code review",
    "offer_url": "https://www.reviewable.io/pricing/",
    "verify_anchor": [
     "Free forever for community projects and personal use"
    ],
    "what_you_get": "All features free for public repositories, forever: full GitHub code review workflows (multi-round reviews, tracked discussions, review state). Free plan also covers repos attached to an individual user account; private organization repos start at $39/month for ten users.",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project"
    },
    "how_to_apply": "Sign in with GitHub on reviewable.io and start reviewing a public repo; no separate application.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: pricing page/blog state all features for public repos free of charge, free forever for community projects"
   }
  ],
  "slug": "reviewable"
 },
 {
  "company": "RISE Project (RISC-V Software Ecosystem)",
  "website": "https://riseproject.dev",
  "categories": [
   "ci-cd"
  ],
  "offers": [
   {
    "product": "RISE RISC-V Runners",
    "offer_url": "https://riseproject.dev/2026/03/24/announcing-the-rise-risc-v-runners-free-native-risc-v-ci-on-github/",
    "verify_anchor": [
     "managed GitHub Actions runner service"
    ],
    "what_you_get": "Free native RISC-V GitHub Actions runners for any open source project on GitHub: bare-metal RISC-V servers (hosted at Scaleway, no emulation), Docker-in-Docker support, fresh isolated environment per job, one job per node; use label ubuntu-24.04-riscv.",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "Free of charge to any open source project on GitHub; no approval process and no allowlist."
    },
    "how_to_apply": "Install the RISE runners GitHub App (org or personal variant) and add \"runs-on: ubuntu-24.04-riscv\" to your workflow.",
    "status": "active",
    "last_verified": "2026-07-07",
    "verification_source": "manual: announcement live on riseproject.dev (2026-03-24); states free of charge to any open source project on GitHub, no approval process"
   }
  ],
  "slug": "rise-project"
 },
 {
  "company": "Sanity",
  "website": "https://www.sanity.io",
  "categories": [
   "other",
   "documentation"
  ],
  "offers": [
   {
    "product": "Sanity Open Source plan (Growth plan free for OSS)",
    "offer_url": "https://www.sanity.io/docs/open-source-plan",
    "verify_anchor": [
     "Open-source projects that are based on sponsorships"
    ],
    "what_you_get": "Formerly offered Sanity's Growth plan free to non-monetized open source projects (including multiple datasets, extra users, and SSO). The program no longer exists.",
    "eligibility": {
     "non_commercial_only": true,
     "applies_to": "project",
     "notes": "Historical terms; program has been discontinued."
    },
    "how_to_apply": "No longer possible; the plan has been discontinued.",
    "status": "discontinued",
    "last_verified": "2026-07-07",
    "verification_source": "manual: official docs page at sanity.io/docs/open-source-plan now states 'The Open Source plan has been discontinued.'"
   }
  ],
  "slug": "sanity"
 },
 {
  "company": "Sauce Labs",
  "website": "https://saucelabs.com",
  "categories": [
   "testing"
  ],
  "offers": [
   {
    "product": "Open Sauce (free open source accounts)",
    "offer_url": "https://saucelabs.com/pricing",
    "verify_anchor": [
     "free accounts for qualifying initiatives"
    ],
    "what_you_get": "Free Sauce Labs accounts for qualifying open source projects for cross-browser and mobile testing on the Sauce Labs cloud; historically the Open Sauce plan gave unlimited testing minutes on multiple parallel VMs with access to all OS/browser combinations.",
    "eligibility": {
     "public_repo_required": true,
     "non_commercial_only": true,
     "applies_to": "project",
     "notes": "Account may only be used for the open source project; test results (videos, screenshots, logs) are publicly accessible; support limited to account issues."
    },
    "how_to_apply": "Sign up via the Sauce Labs open source page with your project's repository URL and a description of the project.",
    "status": "active",
    "last_verified": "2026-07-07",
    "verification_source": "manual: saucelabs.com/pricing live and states 'free accounts for qualifying initiatives' for open source, linking to opensource.saucelabs.com; plan details from Open Sauce program materials"
   }
  ],
  "slug": "sauce-labs"
 },
 {
  "company": "Scout APM",
  "website": "https://scoutapm.com",
  "categories": [
   "monitoring",
   "error-tracking"
  ],
  "offers": [
   {
    "product": "Scout Monitoring (Large plan for OSS)",
    "offer_url": "https://www.scoutapm.com/open-source",
    "verify_anchor": [
     "open source license"
    ],
    "what_you_get": "Free access to Scout's Large plan with full features: application traces, error monitoring, log management, query analysis, and alerting. Supports Ruby, Python, PHP, and Elixir.",
    "eligibility": {
     "public_repo_required": true,
     "osi_license_required": true,
     "notes": "Requires an open source license (MIT, Apache, GPL, etc.) and the project must not be used as part of a commercial SaaS product.",
     "applies_to": "project"
    },
    "how_to_apply": "Open a support ticket via the \"Apply for Free Access\" link on the offer page with a link to your repo and a brief description.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: scoutapm.com/open-source live, states free Large plan for open-source-licensed, non-commercial projects"
   }
  ],
  "slug": "scout-apm"
 },
 {
  "company": "Screenshotbot",
  "website": "https://screenshotbot.io",
  "categories": [
   "testing"
  ],
  "offers": [
   {
    "product": "Screenshotbot hosted screenshot testing (free for open source)",
    "offer_url": "https://screenshotbot.io/pricing",
    "verify_anchor": [
     "Open source projects get free access"
    ],
    "what_you_get": "Free access to Screenshotbot's hosted screenshot/visual regression testing service for open source projects (the product is also open source and self-hostable).",
    "eligibility": {
     "applies_to": "project",
     "notes": "Stated in pricing FAQ as \"Open source projects get free access\"; no further criteria published."
    },
    "how_to_apply": "Email support@screenshotbot.io to request free open source access.",
    "status": "active",
    "last_verified": "2026-07-07",
    "verification_source": "manual: pricing page FAQ live, states open source projects get free access via support email"
   }
  ],
  "slug": "screenshotbot"
 },
 {
  "company": "Scrutinizer",
  "website": "https://scrutinizer-ci.com/",
  "categories": [
   "testing"
  ],
  "offers": [
   {
    "product": "Scrutinizer continuous code inspection",
    "offer_url": "https://scrutinizer-ci.com/pricing",
    "verify_anchor": [
     "Free for open-source projects"
    ],
    "what_you_get": "Free continuous code quality analysis for open-source repositories; Scrutinizer does not charge for open-source repositories and you can add as many as you like.",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project"
    },
    "how_to_apply": "Sign up on scrutinizer-ci.com and add your open-source repository; no charge applies to open-source repos.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: site live but blocks automated fetch (HTTP 403); Google-indexed pricing page snippet states 'Scrutinizer does not charge for open-source repositories'"
   }
  ],
  "slug": "scrutinizer"
 },
 {
  "company": "Sentry",
  "website": "https://sentry.io",
  "categories": [
   "error-tracking",
   "monitoring"
  ],
  "offers": [
   {
    "product": "Sentry Open-Source Sponsorship Plan (error monitoring and observability)",
    "offer_url": "https://sentry.io/for/open-source/",
    "verify_anchor": [
     "Open-Source Sponsorship"
    ],
    "what_you_get": "Free sponsored plan with Business features and no term limit: 5M errors, 5,000GB logs, 1B spans, 100K replays, 500 cron monitors, 25 uptime monitors, 3K continuous profile hours, 150 UI profile hours, 10GB attachments, 1,000 size analysis uploads, and Seer for 5 active contributors; overage budget can be enabled.",
    "eligibility": {
     "osi_license_required": true,
     "applies_to": "project",
     "notes": "Project must be released under a friendly license like Apache or MIT and qualify as genuinely open source software."
    },
    "how_to_apply": "Application form on the offer page: provide name/email/website, select \"Open-Source\" company type, Sentry org details, project description and GitHub repository link.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: sentry.io/for/open-source/ live; sponsorship plan quotas listed (5M errors, 1B spans etc.), Apache/MIT-style license required"
   }
  ],
  "slug": "sentry"
 },
 {
  "company": "SignPath",
  "website": "https://signpath.io",
  "categories": [
   "security"
  ],
  "offers": [
   {
    "product": "SignPath code signing (via SignPath Foundation)",
    "offer_url": "https://signpath.io/solutions/open-source-community",
    "verify_anchor": [
     "Secure open source projects effortlessly"
    ],
    "what_you_get": "Free code signing service and an OV-level code signing certificate issued to SignPath Foundation, with the private key stored on the Foundation's HSM. Supports signing EXE, MSI, Docker images, Office macros and more, with CI/CD pipeline integration (GitHub Actions, Azure DevOps, Jenkins), audit trails and policy enforcement, at no cost.",
    "eligibility": {
     "osi_license_required": true,
     "active_development_required": true,
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "OSI-approved license without commercial dual-licensing for all components; project must already have released the software in the form to be signed (no release history = not eligible)."
    },
    "how_to_apply": "Apply at signpath.org (\"Apply for Free Code Signing\") with the project's repository URL, download page URL and description; the Foundation reviews eligibility.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: signpath.io/solutions/open-source-community live, states tools 'available at no cost' for OSS; eligibility per signpath.org terms"
   }
  ],
  "slug": "signpath"
 },
 {
  "company": "Sleek Analytics",
  "website": "https://getsleek.io",
  "categories": [
   "analytics"
  ],
  "offers": [
   {
    "product": "Sleek Pro plan (free for open source maintainers)",
    "offer_url": "https://getsleek.io/oss",
    "verify_anchor": [
     "Free analytics for open source projects"
    ],
    "what_you_get": "1 year of the Sleek Pro plan free for open source maintainers: real-time analytics, unlimited events, and everything offered to paying customers.",
    "eligibility": {
     "applies_to": "maintainer",
     "notes": "Open to anyone maintaining an open source project; no further criteria published."
    },
    "how_to_apply": "Application form on the page (name, email, project name, website, GitHub URL); response within a few days.",
    "renewal": "Free period is 1 year.",
    "status": "active",
    "last_verified": "2026-07-07",
    "verification_source": "manual: getsleek.io/oss live, states 1 year free Pro plan for OSS maintainers"
   }
  ],
  "slug": "sleek-analytics"
 },
 {
  "company": "Snyk",
  "website": "https://snyk.io",
  "categories": [
   "security"
  ],
  "offers": [
   {
    "product": "Secure Developer Program (Snyk security platform)",
    "offer_url": "https://snyk.io/open-source/",
    "verify_anchor": [
     "open source program"
    ],
    "what_you_get": "A free Snyk account with full enterprise entitlements and no usage limitations for open source projects, plus a members' Discord community with Snyk security professionals and dedicated help integrating Snyk into build pipelines and development environments.",
    "eligibility": {
     "non_commercial_only": true,
     "applies_to": "project",
     "notes": "Project must be community-driven, not backed by any corporate entity. Requires linking back to snyk.io in the repo README and project website, and granting Snyk permission to display the project logo."
    },
    "how_to_apply": "Application form via Snyk's partner portal (separate paths for existing and new projects), linked from the offer page.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: offer page live, describes Secure Developer Program with 'full enterprise entitlements' free for community-driven OSS projects"
   }
  ],
  "slug": "snyk"
 },
 {
  "company": "Socket",
  "website": "https://socket.dev",
  "categories": [
   "security"
  ],
  "offers": [
   {
    "product": "Socket supply chain security (free for open source)",
    "offer_url": "https://socket.dev/pricing",
    "verify_anchor": [
     "free to use for open-source"
    ],
    "what_you_get": "Socket is \"free to use for open-source\", the Free plan covers unlimited developers and repos, 1,000 scans per month, detection of 70+ risk types, and automatic blocking of malicious dependencies. Qualifying open source organizations can additionally request a complimentary Team account.",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project"
    },
    "how_to_apply": "Install Socket on your open source repos using the Free plan; for a complimentary Team account for open source work, contact Socket via their contact form.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: pricing page live, FAQ states 'Socket is and will always be free to use for open-source' with complimentary Team accounts on request"
   }
  ],
  "slug": "socket"
 },
 {
  "company": "Sonar (SonarSource)",
  "website": "https://www.sonarsource.com",
  "categories": [
   "testing",
   "security"
  ],
  "offers": [
   {
    "product": "SonarQube Cloud (formerly SonarCloud)",
    "offer_url": "https://www.sonarsource.com/solutions/commitment-to-open-source/",
    "verify_anchor": [
     "free for analyzing open source projects"
    ],
    "what_you_get": "SonarQube Cloud automated code quality and security analysis \"free for analyzing open source projects\", continuous analysis of public open source repositories across many languages and DevOps integrations.",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "Free analysis applies to open source (public) projects; detailed criteria not published on the page."
    },
    "how_to_apply": "Sign up on SonarQube Cloud and import the public open source repository; no separate application.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: commitment-to-open-source page live, states SonarQube Cloud is free for analyzing open source projects"
   }
  ],
  "slug": "sonar-sonarsource"
 },
 {
  "company": "SonarCloud (SonarQube Cloud)",
  "website": "https://sonarcloud.io/",
  "categories": [
   "testing"
  ],
  "offers": [
   {
    "product": "SonarQube Cloud open source plan",
    "offer_url": "https://www.sonarsource.com/products/sonarcloud/",
    "verify_anchor": [
     "open source plan is available"
    ],
    "what_you_get": "Free open source plan on SonarQube Cloud (formerly SonarCloud): automated code review with continuous quality and security analysis for many popular languages and DevOps integrations, free for open source / public repository projects.",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project"
    },
    "how_to_apply": "Sign up for free on SonarQube Cloud and analyze your public repository; no separate application.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: product page live (sonarcloud.io redirects to sonarsource.com), states an open source plan is available"
   }
  ],
  "slug": "sonarcloud"
 },
 {
  "company": "Sonatype",
  "website": "https://www.sonatype.com",
  "categories": [
   "other"
  ],
  "offers": [
   {
    "product": "Maven Central publishing",
    "offer_url": "https://central.sonatype.org/",
    "verify_anchor": [
     "Serving Open Source Components Since 2002"
    ],
    "what_you_get": "Free publishing and hosting of open source Java/JVM components on the Central Repository (Maven Central), the default artifact repository for the Java ecosystem. Free for ordinary community open source publishing; commercial-natured publishing may be subject to fees or limits.",
    "eligibility": {
     "applies_to": "project",
     "notes": "Components must declare their distribution license in the POM and meet metadata/GPG/coordinate requirements; requires verified namespace ownership. Published artifacts are immutable."
    },
    "how_to_apply": "Sign up at central.sonatype.com (Google/GitHub/email), verify a namespace, then publish via the Central Portal or build-tool plugins.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: central.sonatype.org docs live; publishing-limits doc states Maven Central remains free for ordinary community open source publishing"
   }
  ],
  "slug": "sonatype"
 },
 {
  "company": "SourceForge",
  "website": "https://sourceforge.net",
  "categories": [
   "hosting"
  ],
  "offers": [
   {
    "product": "SourceForge open source project hosting and distribution",
    "offer_url": "https://sourceforge.net/create/",
    "what_you_get": "Free project hosting for open source software: download distribution with unlimited bandwidth over a global mirror network, download analytics, git/Mercurial/Subversion repository hosting, issue tracking, forums, wiki documentation, and listing in the Open Source Directory (~20 million users, 2.6M downloads/day).",
    "eligibility": {
     "applies_to": "project",
     "notes": "Project must be open source software; the free tier is specifically for OSS projects (business software is a separate directory)."
    },
    "how_to_apply": "Create a project at https://sourceforge.net/create/ (or import from GitHub); free registration, no application review described.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: create page live, states unlimited bandwidth and full hosting toolset free for Open Source projects"
   }
  ],
  "slug": "sourceforge"
 },
 {
  "company": "Sourcery",
  "website": "https://sourcery.ai",
  "categories": [
   "testing",
   "security"
  ],
  "offers": [
   {
    "product": "Sourcery AI code review (Open Source plan)",
    "offer_url": "https://sourcery.ai/pricing",
    "verify_anchor": [
     "Free Pro for open source repos"
    ],
    "what_you_get": "Pro features free for open source repositories, plus limited security scans for up to 3 repos run biweekly (paid Team plans have 200+ repos with daily scans).",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "Works right away on projects in a public repo on GitHub, GitLab, etc."
    },
    "how_to_apply": "Sign up via the open source plan link on the pricing page; works automatically for public repos.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: pricing page live, dedicated Open Source tier with Pro for open source repos and biweekly security scans for 3 repos"
   }
  ],
  "slug": "sourcery"
 },
 {
  "company": "Stainless",
  "website": "https://stainless.com",
  "categories": [
   "ide-tools",
   "documentation",
   "other"
  ],
  "offers": [
   {
    "product": "Stainless SDK generator Starter plan (free for FOSS)",
    "offer_url": "https://stainless.com/pricing",
    "verify_anchor": [
     "Starter plan for free to qualifying non-commercial"
    ],
    "what_you_get": "Stainless Starter plan (normally $79/month per SDK generator) free for qualifying non-commercial open source projects: SDK generation from OpenAPI specs, plus documentation site and MCP server generation.",
    "eligibility": {
     "non_commercial_only": true,
     "applies_to": "project",
     "notes": "Limited to qualifying non-commercial open source (FOSS) projects; reviewed and approved case by case."
    },
    "how_to_apply": "Create a free account, then email Stainless (address on pricing page) to request FOSS approval.",
    "status": "active",
    "last_verified": "2026-07-07",
    "verification_source": "manual: pricing page live, states Starter plan free for qualifying non-commercial FOSS projects"
   }
  ],
  "slug": "stainless"
 },
 {
  "company": "Statically",
  "website": "https://statically.io",
  "categories": [
   "cdn"
  ],
  "offers": [
   {
    "product": "Statically CDN",
    "offer_url": "https://statically.io/",
    "verify_anchor": [
     "free CDN for Git repositories"
    ],
    "what_you_get": "Free global CDN for open source projects: serves static assets from public Git repositories (GitHub, GitLab, Bitbucket), npm packages, and GitHub Gists via cdn.statically.io URLs, powered by bunny.net and Cloudflare. Note the /img/ image-proxy endpoint has been disabled due to abuse.",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "Serves assets from publicly hosted repositories and packages; intended for open-source projects."
    },
    "how_to_apply": "No application; construct URLs like https://cdn.statically.io/gh/:user/:repo@:tag/:file (or /npm/, /gist/).",
    "status": "active",
    "last_verified": "2026-07-07",
    "verification_source": "manual: statically.io live, 'A free CDN for Git repositories, npm, and open source projects'"
   }
  ],
  "slug": "statically"
 },
 {
  "company": "StyleCI",
  "website": "https://styleci.io/",
  "categories": [
   "testing"
  ],
  "offers": [
   {
    "product": "StyleCI code style review",
    "offer_url": "https://styleci.io/",
    "verify_anchor": [
     "What about Open Source"
    ],
    "what_you_get": "Free plan for public projects (\"public PHP projects will always be free with StyleCI\"): unlimited public repositories, unlimited analyses, and full fixing automation for PHP, JS, CSS, Vue.js, and Python code style.",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project"
    },
    "how_to_apply": "Sign up via \"Get started\" and connect a GitHub, GitLab, or Bitbucket account; no separate application.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: homepage live (2026 copyright), states public PHP projects will always be free"
   }
  ],
  "slug": "styleci"
 },
 {
  "company": "Syncro Soft",
  "website": "https://www.oxygenxml.com",
  "categories": [
   "ide-tools",
   "documentation"
  ],
  "offers": [
   {
    "product": "Oxygen XML Editor (open-source project donation)",
    "offer_url": "https://www.oxygenxml.com/open_source_request_form.html",
    "verify_anchor": [
     "open-source license"
    ],
    "what_you_get": "Up to ten Named User 6-month subscription-free Oxygen XML licenses each year for a project's leads and core contributors.",
    "eligibility": {
     "active_development_required": true,
     "applies_to": "contributors",
     "notes": "Requires an established website, a released product, active community (recent forum activity), updated news section, and regular builds. Licenses may only be used for developing the specified open source project; a visible Oxygen XML link on the project site is required."
    },
    "how_to_apply": "Application form on the offer page (project name, URL, license page, forum/mailing list, description, contact); Oxygen team reviews and responds.",
    "renewal": "Licenses run 6 months, renewable up to ten per year.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: open_source_request_form.html live, up to ten 6-month Named User licenses/year for OSS project contributors"
   }
  ],
  "slug": "syncro-soft"
 },
 {
  "company": "syntevo",
  "website": "https://www.syntevo.com",
  "categories": [
   "ide-tools"
  ],
  "offers": [
   {
    "product": "SmartGit (non-commercial license)",
    "offer_url": "https://www.smartgit.dev/purchase/",
    "verify_anchor": [
     "used free of charge by open-source developers"
    ],
    "what_you_get": "Free SmartGit license (Git GUI client for Windows, macOS, Linux) for open-source developers, offered under syntevo's non-commercial license program (also covering students and public academic/charitable staff).",
    "eligibility": {
     "non_commercial_only": true,
     "applies_to": "maintainer",
     "notes": "Open-source developers are an explicitly named eligible group; program is shared with students and employees of public academic and charitable institutions."
    },
    "how_to_apply": "Request a complimentary license via the registration form at syntevo.com/register-non-commercial/.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: smartgit.dev/purchase live, states free licenses for 'open-source developers' via non-commercial registration form"
   }
  ],
  "slug": "syntevo"
 },
 {
  "company": "Tailscale",
  "website": "https://tailscale.com",
  "categories": [
   "networking"
  ],
  "offers": [
   {
    "product": "Tailscale mesh VPN (Community on GitHub plan)",
    "offer_url": "https://tailscale.com/kb/1154/free-plans-discounts",
    "verify_anchor": [
     "open source project which has an osi license"
    ],
    "what_you_get": "Free \"Community on GitHub\" plan for open source organizations, comparable to paid plans, intended for uses like shared build tools, internal test servers, and sharing project resources among developers. Exact user/device limits are not published on the plans page.",
    "eligibility": {
     "osi_license_required": true,
     "applies_to": "organization",
     "notes": "Must have a GitHub organization, use GitHub for authentication, and use Tailscale for an open source project with an OSI-approved license."
    },
    "how_to_apply": "Cannot be enabled from the admin console Billing page; sign in with GitHub authentication and contact Tailscale Support to enroll.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: KB page kb/1154 live, describes free Community on GitHub plan for OSI-licensed projects via GitHub org"
   }
  ],
  "slug": "tailscale"
 },
 {
  "company": "Tembo",
  "website": "https://www.tembo.io",
  "categories": [
   "ai-ml",
   "database"
  ],
  "offers": [
   {
    "product": "Tembo platform (free for open source)",
    "offer_url": "https://www.tembo.io/oss",
    "verify_anchor": [
     "Open Source Program"
    ],
    "what_you_get": "Full access to all Tembo features including AI agents, automations, and integrations, with unlimited contributors, priority support, and perpetual free access for as long as the project remains open source.",
    "eligibility": {
     "osi_license_required": true,
     "non_commercial_only": true,
     "active_development_required": true,
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "Project must be publicly hosted on GitHub or GitLab under an OSI-approved license (e.g. MIT, Apache 2.0), be non-commercial with no revenue, show active development and community participation; applicant must be an official owner or maintainer."
    },
    "how_to_apply": "Application form on the page (name, email, repository link) with maintainer confirmation.",
    "renewal": "Free access continues as long as the project remains open source.",
    "status": "active",
    "last_verified": "2026-07-07",
    "verification_source": "manual: tembo.io/oss live, states full feature access free for OSI-licensed non-commercial projects"
   }
  ],
  "slug": "tembo"
 },
 {
  "company": "TestingBot",
  "website": "https://testingbot.com/",
  "categories": [
   "testing"
  ],
  "offers": [
   {
    "product": "TestingBot browser and device grid (open source plan)",
    "offer_url": "https://testingbot.com/open-source",
    "verify_anchor": [
     "Free for Open-Source"
    ],
    "what_you_get": "Free unlimited automated testing for open source projects with 2 concurrent tests, access to 6100+ browsers and real iOS/Android devices, support for Selenium, Cypress, Playwright, Puppeteer, Appium, Espresso, XCUITest and Maestro, plus video, screenshots, console/network logs, CI/CD integration and status badges.",
    "eligibility": {
     "osi_license_required": true,
     "active_development_required": true,
     "non_commercial_only": true,
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "Must be publicly hosted on GitHub, GitLab or Bitbucket with a clear README and recent commits."
    },
    "how_to_apply": "Create a free account (no credit card), submit your repository URL and project description; approval typically within a couple of business days.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: testingbot.com/open-source live, details free unlimited testing with 2 concurrent sessions for OSI-licensed projects"
   }
  ],
  "slug": "testingbot"
 },
 {
  "company": "Testspace",
  "website": "https://testspace.com/",
  "categories": [
   "testing"
  ],
  "offers": [
   {
    "product": "Testspace test results dashboard (Open plan)",
    "offer_url": "https://github.com/marketplace/testspace-com",
    "what_you_get": "\"Open\" plan at $0 on the GitHub Marketplace: Testspace test management and results dashboard software for open source accounts.",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "Plan is designated for open source accounts; detailed criteria not published."
    },
    "how_to_apply": "Install the Testspace app from the GitHub Marketplace and select the free Open plan for your open source account.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: GitHub Marketplace listing live and verified, 'Open' plan at $0 for open source accounts (~1,094 installs)"
   }
  ],
  "slug": "testspace"
 },
 {
  "company": "Tesults",
  "website": "https://www.tesults.com",
  "categories": [
   "testing"
  ],
  "offers": [
   {
    "product": "Tesults test results reporting (open source program)",
    "offer_url": "https://www.tesults.com/docs/pricing",
    "verify_anchor": [
     "complimentary access to the standard plan"
    ],
    "what_you_get": "Complimentary access to the Standard plan (normally $19 per active user per month) for independent or community-driven open source projects.",
    "eligibility": {
     "applies_to": "maintainer",
     "notes": "Aimed at independent maintainers and community-driven projects rather than projects primarily maintained by commercial organizations."
    },
    "how_to_apply": "Email help@tesults.com to apply for the open source program.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: pricing docs page live, offers complimentary Standard plan for independent/community-driven OSS projects"
   }
  ],
  "slug": "tesults"
 },
 {
  "company": "Tolgee",
  "website": "https://tolgee.io",
  "categories": [
   "other"
  ],
  "offers": [
   {
    "product": "Tolgee Cloud Business plan for open source",
    "offer_url": "https://tolgee.io/blog/free-software-localization",
    "verify_anchor": [
     "Free for open-source projects"
    ],
    "what_you_get": "Tolgee Cloud Business plan free for open source projects (localization/ translation management platform); paid-tier features at no cost, granted on request. Self-hosting the open source Tolgee platform is also free.",
    "eligibility": {
     "applies_to": "project",
     "notes": "Project must be open source software that can be freely used, changed, and shared (in modified or unmodified form) by anyone."
    },
    "how_to_apply": "Email info@tolgee.io or DM the team in the Tolgee Slack community.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: Tolgee blog post live, states \"Business plan is free for all open-source projects\", apply by email/Slack; not listed on pricing page."
   }
  ],
  "slug": "tolgee"
 },
 {
  "company": "Transifex",
  "website": "https://www.transifex.com",
  "categories": [
   "other"
  ],
  "offers": [
   {
    "product": "Transifex (Open Source plan)",
    "offer_url": "https://www.transifex.com/open-source/",
    "verify_anchor": [
     "Localization Community for Open Source Projects"
    ],
    "what_you_get": "Transifex localization platform free forever for qualifying open source projects, including collaboration with translator communities, APIs and SDKs, and support for 100+ frameworks and tools.",
    "eligibility": {
     "osi_license_required": true,
     "non_commercial_only": true,
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "Project must have no funding, revenue, or commercialization model."
    },
    "how_to_apply": "Sign up via the \"Use Transifex for Free\" link on the open source page (app.transifex.com/signup); eligibility is based on the stated criteria.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: open-source page live, states Transifex free for OSI-licensed non-commercial projects"
   }
  ],
  "slug": "transifex"
 },
 {
  "company": "Transloadit",
  "website": "https://transloadit.com",
  "categories": [
   "other"
  ],
  "offers": [
   {
    "product": "Transloadit (file uploading and encoding API)",
    "offer_url": "https://transloadit.com/pricing/",
    "verify_anchor": [
     "nonprofits can get free access"
    ],
    "what_you_get": "Free access to the Transloadit file uploading and media encoding platform for open source projects and nonprofits.",
    "eligibility": {
     "applies_to": "project",
     "notes": "Open source projects and nonprofit organizations qualify; a \"Powered by Transloadit\" link on your website is required."
    },
    "how_to_apply": "Add a \"Powered by Transloadit\" link to your website and reach out to support@transloadit.com to apply.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: pricing page live, states free access for open source and nonprofits with 'Powered by Transloadit' link"
   }
  ],
  "slug": "transloadit"
 },
 {
  "company": "Travis CI",
  "website": "https://www.travis-ci.com",
  "categories": [
   "ci-cd"
  ],
  "offers": [
   {
    "product": "Travis CI for open source (travis-ci.org)",
    "offer_url": "https://www.travis-ci.com/pricing/",
    "verify_anchor": [
     "Open Source Only"
    ],
    "what_you_get": "Historically, unlimited free CI/CD builds for public open source repositories on travis-ci.org. That platform was shut down in June 2021 and the free unlimited OSS model was replaced by a credits-based system; today only trial credits and paid plans (from $15/month) are offered.",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "Historical eligibility; the program no longer accepts open source projects for free unlimited builds."
    },
    "how_to_apply": "No longer possible; travis-ci.org signups were migrated to paid/credit plans on travis-ci.com.",
    "status": "discontinued",
    "last_verified": "2026-07-06",
    "verification_source": "manual: travis-ci.com/pricing shows only paid tiers ($15+/month), no free OSS plan; travis-ci.org shut down June 2021 after 2020 move to credits model"
   }
  ],
  "slug": "travis-ci"
 },
 {
  "company": "Tuist",
  "website": "https://tuist.dev",
  "categories": [
   "ci-cd",
   "ide-tools"
  ],
  "offers": [
   {
    "product": "Tuist server (open source program)",
    "offer_url": "https://tuist.dev/blog/2024/04/25/tuist-cloud-free-for-open-source/",
    "verify_anchor": [
     "free for open source projects"
    ],
    "what_you_get": "All paid Tuist server features free forever for open source projects, including binary caching and selective testing (build time improvements of 70% and more cited for cached builds).",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "Project must be open source and add a note about Tuist to its README.md."
    },
    "how_to_apply": "Email contact@tuist.dev with a link to the repository and your account handle; the team sets the plan on your account.",
    "status": "active",
    "last_verified": "2026-07-07",
    "verification_source": "manual: program announcement live on tuist.dev blog; pricing page FAQ confirms custom arrangements via contact@tuist.dev"
   }
  ],
  "slug": "tuist"
 },
 {
  "company": "Upstash",
  "website": "https://upstash.com",
  "categories": [
   "database",
   "other"
  ],
  "offers": [
   {
    "product": "Upstash Open Source Program (monthly credits)",
    "offer_url": "https://upstash.com/open-source",
    "verify_anchor": [
     "Open-Source Program"
    ],
    "what_you_get": "$1,000 monthly credit grant covering all Upstash costs (Redis, QStash, etc.), direct technical/integration support with Pro-level priority, and co-marketing (technical articles, backlinks).",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "For open source projects building on Upstash; no further formal criteria published. Application form notes it is open until September 29th, so availability may be time-windowed."
    },
    "how_to_apply": "Application form on the page (name, Twitter/X username, GitHub repo link); reviewed on a rolling basis.",
    "renewal": "Credit grant is monthly.",
    "status": "active",
    "last_verified": "2026-07-07",
    "verification_source": "manual: upstash.com/open-source live, states $1,000 monthly credit grant for OSS projects"
   }
  ],
  "slug": "upstash"
 },
 {
  "company": "Vercel",
  "website": "https://vercel.com",
  "categories": [
   "hosting"
  ],
  "offers": [
   {
    "product": "Vercel Open Source Program",
    "offer_url": "https://vercel.com/open-source-program",
    "verify_anchor": [
     "Open Source Program"
    ],
    "what_you_get": "$3,600 in Vercel platform credits distributed over 12 months, an OSS Starter Pack with credits from third-party services, and priority community support from Vercel. Projects graduate after 12 months.",
    "eligibility": {
     "active_development_required": true,
     "applies_to": "project",
     "notes": "Project must be hosted on (or plan to use) Vercel, demonstrate measurable impact or growth potential, adopt a Code of Conduct, and use credits solely for the open source project. Projects at any stage welcome."
    },
    "how_to_apply": "Apply via the program page; cohort-based, applications were closed as of July 2026, reopening in August.",
    "renewal": "12-month program; projects graduate after 12 months to make room for new applicants.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: program page live, states $3,600 credits over 12 months for OSS projects; applications reopen August 2026"
   }
  ],
  "slug": "vercel"
 },
 {
  "company": "WebGazer",
  "website": "https://www.webgazer.io",
  "categories": [
   "monitoring"
  ],
  "offers": [
   {
    "product": "WebGazer uptime and cron monitoring (open source program)",
    "offer_url": "https://www.webgazer.io/for/open-source",
    "verify_anchor": [
     "free to open source projects"
    ],
    "what_you_get": "Comprehensive monitoring services at no cost for eligible open source projects: website monitoring (HTTP monitors), cron job monitoring (heartbeat monitors), and hosted status pages.",
    "eligibility": {
     "applies_to": "project",
     "notes": "Must be an open source project; approval based on application details, no further criteria published."
    },
    "how_to_apply": "Submit the application form on the offer page with project name, contact email, project URL, repository URL, and a project description; questions to support@webgazer.io.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: offer page live, states 'we provide our comprehensive monitoring services at no cost to eligible projects'"
   }
  ],
  "slug": "webgazer"
 },
 {
  "company": "Weblate",
  "website": "https://weblate.org",
  "categories": [
   "other"
  ],
  "offers": [
   {
    "product": "Hosted Weblate (Libre plan)",
    "offer_url": "https://weblate.org/hosting/",
    "what_you_get": "Free (gratis) Libre plan on hosted.weblate.org with the same limits as the 160k plan: 160,000 hosted strings, unlimited translation projects, components, and translators, with continuous localization features.",
    "eligibility": {
     "public_repo_required": true,
     "applies_to": "project",
     "notes": "Must be a public libre (free/open source licensed) project."
    },
    "how_to_apply": "Set the project up on hosted.weblate.org/hosting/ and request the Libre plan; no formal application form beyond project setup.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: hosting page live, Libre plan gratis for libre projects with 160k-plan limits"
   }
  ],
  "slug": "weblate"
 },
 {
  "company": "Wingware",
  "website": "https://wingware.com",
  "categories": [
   "ide-tools"
  ],
  "offers": [
   {
    "product": "Wing Pro (free license for open source developers)",
    "offer_url": "https://wingware.com/store/free",
    "verify_anchor": [
     "open source license"
    ],
    "what_you_get": "Free Wing Pro (Python IDE) license for unpaid open source development; includes upgrades only within the same major release version (reapply for new major versions). No support guarantees for free-license users.",
    "eligibility": {
     "non_commercial_only": true,
     "active_development_required": true,
     "applies_to": "maintainer",
     "notes": "Must use Wing Pro solely for unpaid and unfunded open source development; project needs a website with a clear description, at least one non-trivial public release, and a copy of or link to the open source license; applicant must show proof of past contribution to the project."
    },
    "how_to_apply": "Request via the free licenses page on wingware.com, including proof of past contribution to the open source project.",
    "renewal": "Reapply for each new major release version.",
    "status": "active",
    "last_verified": "2026-07-07",
    "verification_source": "manual: wingware.com/store/free live, states free Wing Pro licenses for unpaid/unfunded open source development with proof of contribution"
   }
  ],
  "slug": "wingware"
 },
 {
  "company": "YourKit",
  "website": "https://www.yourkit.com",
  "categories": [
   "ide-tools"
  ],
  "offers": [
   {
    "product": "YourKit Java Profiler (open source license)",
    "offer_url": "https://www.yourkit.com/purchase/",
    "verify_anchor": [
     "non-commercial open source projects"
    ],
    "what_you_get": "Free YourKit Java Profiler license for developers of the open source project; one installed copy at a time per license key, for development of that specific project only. YourKit asks for a reference link on the project's web pages.",
    "eligibility": {
     "non_commercial_only": true,
     "applies_to": "project",
     "notes": "Granted to developers of non-commercial open source projects with an established and active community."
    },
    "how_to_apply": "Email sales@yourkit.com with subject \"YourKit Java Profiler Open Source License Request\".",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: yourkit.com/purchase live, free OSS license for non-commercial projects with active community"
   }
  ],
  "slug": "yourkit"
 },
 {
  "company": "Zeplin",
  "website": "https://zeplin.io",
  "categories": [
   "design"
  ],
  "offers": [
   {
    "product": "Zeplin Basic, 3 Pack plan (design handoff)",
    "offer_url": "https://support.zeplin.io/en/articles/3411436-zeplin-for-education-ngos-and-open-source-community",
    "verify_anchor": [
     "Zeplin for Education, NGOs, and Open Source community"
    ],
    "what_you_get": "The monthly Basic, 3 Pack plan free for one year, a personal workspace, up to 3 active projects, and unlimited members.",
    "eligibility": {
     "applies_to": "contributors",
     "notes": "Program covers open source contributors (alongside students, teachers, and nonprofits); page does not publish license or project-age requirements."
    },
    "how_to_apply": "Fill out the Typeform application linked from the support article (\"Apply now\").",
    "renewal": "Offer granted for one year.",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: support article live, states open source contributors get 'the monthly Basic, 3 Pack plan free for one year'"
   }
  ],
  "slug": "zeplin"
 },
 {
  "company": "Zulip",
  "website": "https://zulip.com",
  "categories": [
   "communication"
  ],
  "offers": [
   {
    "product": "Zulip Cloud Standard",
    "offer_url": "https://zulip.com/for/open-source/",
    "verify_anchor": [
     "is free for open-source projects"
    ],
    "what_you_get": "Zulip Cloud Standard (the paid team chat plan, including full message history) free for open-source projects; Zulip sponsors hundreds of open-source projects including Rust and Lean.",
    "eligibility": {
     "applies_to": "organization",
     "notes": "Open-source project communities; formal criteria not published on the page, sponsorship requests are reviewed. Self-hosting the 100% open-source Zulip server is an alternative."
    },
    "how_to_apply": "Create a Zulip Cloud organization and use the \"Request sponsorship\" flow (or contact sales@zulip.com).",
    "status": "active",
    "last_verified": "2026-07-06",
    "verification_source": "manual: page live, states 'Zulip Cloud Standard is free for open-source projects!'"
   }
  ],
  "slug": "zulip"
 }
]