IDEs and dev tools
Advanced Installer (Architect license)
Free Advanced Installer Architect license (the highest tier) for developers of open source projects, for building Windows installers.
Eligibility: for the project; 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.
last verified 2026-07-06
AI and MLIDEs and dev tools
cubic AI code review (free for open source)
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: for the project; public repo required
How to apply: No application; connect cubic to a public repository via the GitHub integration.
last verified 2026-07-07
IDEs and dev tools
JProfiler (open source license)
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: for contributors; non-commercial only; 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.
last verified 2026-07-06
install4j (open source license)
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: for contributors; non-commercial only; 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.
last verified 2026-07-06
AI and MLIDEs and dev tools
Ellipsis AI code review (free for public repos)
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: for the project; public repo required
How to apply: No application; install the Ellipsis GitHub app - free access is granted automatically based on the repository being public.
last verified 2026-07-07
IDEs and dev toolsAI and ML
Ona for Open Source (cloud dev environments + AI agents)
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: for the maintainer; 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.
last verified 2026-07-06
IDEs and dev toolsCI/CDAI and ML
Graphite for Open Source (Standard plan free)
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: for the organization; public repo required; 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.
last verified 2026-07-07
AI and MLIDEs and dev tools
Greptile AI Code Review (Open Source Program)
Greptile's codebase-aware AI code review on pull requests, free (100% off) for qualifying open source projects.
Eligibility: for the project; non-commercial only; 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.
last verified 2026-07-07
IDEs and dev toolsCI/CDproject management
All Products Pack (OSS development licenses)
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: for contributors; OSI license required; non-commercial only; public repo required; project at least 3 months old; 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.
last verified 2026-07-06
TeamCity (Open Source license)
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: for the project; OSI license required; non-commercial only; 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).
last verified 2026-07-06
YouTrack (OSS team license)
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: for the project; OSI license required; non-commercial only; project at least 3 months old; 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.
last verified 2026-07-06
databaseIDEs and dev tools
Navicat (Open Source Project License)
Complimentary Navicat license (database GUI/administration tools) for approved open source projects; sponsored projects display a Navicat logo on their website.
Eligibility: for the maintainer; OSI license required; public repo required; project at least 3 months old; 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.
last verified 2026-07-06
AI and MLIDEs and dev tools
Pullfrog for OSS (model costs covered)
Pullfrog covers AI model costs for qualifying open source projects, providing unlimited Kimi K2 usage at no cost for its GitHub coding agent.
Eligibility: for the project; public repo required; Repository must have over 1,000 GitHub stars.
How to apply: Apply via the link on the page, or contact support@pullfrog.com.
last verified 2026-07-07
IDEs and dev toolsdocumentationmore tools
Stainless SDK generator Starter plan (free for FOSS)
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: for the project; non-commercial only; 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.
last verified 2026-07-07
IDEs and dev toolsdocumentation
Oxygen XML Editor (open-source project donation)
Up to ten Named User 6-month subscription-free Oxygen XML licenses each year for a project's leads and core contributors.
Eligibility: for contributors; 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.
last verified 2026-07-06
IDEs and dev tools
SmartGit (non-commercial license)
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: for the maintainer; non-commercial only; 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/.
last verified 2026-07-06
CI/CDIDEs and dev tools
Tuist server (open source program)
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: for the project; public repo required; 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.
last verified 2026-07-07
IDEs and dev tools
Wing Pro (free license for open source developers)
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: for the maintainer; non-commercial only; 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.
last verified 2026-07-07
IDEs and dev tools
YourKit Java Profiler (open source license)
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: for the project; non-commercial only; 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".
last verified 2026-07-06