foropensource

Applitools Eyes visual AI testing (Open Source licenses)

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: for the project; 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.

last verified 2026-07-06

Argos visual testing (open source sponsorship)

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: for the project; non-commercial only; public repo required; 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.

last verified 2026-07-06

BrowserStack Open Source program (Live, Automate, Percy)

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: for the project; 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.

last verified 2026-07-06

Chromatic visual testing (Open Source plan)

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: for the project; public repo required; 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.

last verified 2026-07-06

Codacy Open Source plan

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: for the project; public repo required; 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.

last verified 2026-07-06

Codeac automated code review (open source plan)

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: for the project; public repo required; 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.

last verified 2026-07-06

Codecov (code coverage for open source)

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: for the project; public repo required; 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.

last verified 2026-07-06

CodeFactor Community plan

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: for the project; public repo required

How to apply: Sign up on codefactor.io and connect your public repositories; no separate application.

last verified 2026-07-06

CodeScene for Open Source (community edition)

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: for the project; 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.

last verified 2026-07-06

CodSpeed continuous benchmarking (Free plan for open source)

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: for the project; OSI license required; public repo required; 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.

last verified 2026-07-06

Coveralls test coverage

Free test coverage tracking, history, and statistics for open source repositories. Pricing page states "Coveralls will always be free for open source."

Eligibility: for the project; public repo required

How to apply: Sign up via the standard registration flow on coveralls.io and add your open source repository; no separate application.

last verified 2026-07-06

Coverity Scan static analysis

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: for the project; public repo required; 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.

last verified 2026-07-06

Cypress Cloud Open Source Plan

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: for the organization; OSI license required; non-commercial only; public repo required; 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.

last verified 2026-07-06

DeepScan static analysis (free open source plan)

Free static analysis for unlimited public JavaScript/TypeScript projects, with automatic GitHub synchronization, code quality grading, and three months of historical trend data.

Eligibility: for the project; public repo required

How to apply: Sign up with GitHub on deepscan.io and add public repositories; the free open source plan applies automatically.

last verified 2026-07-06

DeepSource static analysis (OSS plan)

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: for the project; public repo required; "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.

last verified 2026-07-06

Size Analysis (free for open source)

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: for the project; non-commercial only; public repo required; 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.

last verified 2026-07-07

Hound automated style review

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: for the project; public repo required

How to apply: Click "Get started with GitHub" and sign in with a GitHub account; no separate application.

last verified 2026-07-06

Keploy OSS Sponsorship (AI test generation)

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: for the project; OSI license required; public repo required; 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.

last verified 2026-07-06

PullApprove code review workflows

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: for the project; public repo required

How to apply: Use it with a public repository; site says no account required, no separate application.

last verified 2026-07-06

Qlty Cloud (code quality and coverage)

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: for the project; 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).

last verified 2026-07-06

Reviewable code review

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: for the project; public repo required

How to apply: Sign in with GitHub on reviewable.io and start reviewing a public repo; no separate application.

last verified 2026-07-06

Open Sauce (free open source accounts)

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: for the project; non-commercial only; public repo required; 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.

last verified 2026-07-07

Screenshotbot hosted screenshot testing (free for open source)

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: for the project; 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.

last verified 2026-07-07

Scrutinizer continuous code inspection

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: for the project; public repo required

How to apply: Sign up on scrutinizer-ci.com and add your open-source repository; no charge applies to open-source repos.

last verified 2026-07-06

SonarQube Cloud (formerly SonarCloud)

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: for the project; public repo required; 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.

last verified 2026-07-06

SonarQube Cloud open source plan

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: for the project; public repo required

How to apply: Sign up for free on SonarQube Cloud and analyze your public repository; no separate application.

last verified 2026-07-06

Sourcery AI code review (Open Source plan)

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: for the project; public repo required; 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.

last verified 2026-07-06

StyleCI code style review

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: for the project; public repo required

How to apply: Sign up via "Get started" and connect a GitHub, GitLab, or Bitbucket account; no separate application.

last verified 2026-07-06

TestingBot browser and device grid (open source plan)

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: for the project; OSI license required; non-commercial only; public repo required; 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.

last verified 2026-07-06

Cross-browser and mobile testing platform (Open Source Program)

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: for the project; OSI license required; public repo required; 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.

last verified 2026-07-06

Testspace test results dashboard (Open plan)

"Open" plan at $0 on the GitHub Marketplace: Testspace test management and results dashboard software for open source accounts.

Eligibility: for the project; public repo required; 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.

last verified 2026-07-06

Tesults test results reporting (open source program)

Complimentary access to the Standard plan (normally $19 per active user per month) for independent or community-driven open source projects.

Eligibility: for the maintainer; 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.

last verified 2026-07-06