foropensource

Claude for Open Source (Claude Max 20x)

6 months of free Claude Max 20x subscription for eligible open source maintainers and core contributors; program accepts up to 10,000 contributors.

Eligibility: for the maintainer; public repo required; 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.

last verified 2026-07-07

CodeAnt AI code review and security platform (100% off for open source)

CodeAnt AI's AI code review, SAST security scanning, and code quality platform at 100% off (free) for open source projects.

Eligibility: for the project; 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).

last verified 2026-07-07

CodeRabbit AI code review (Open Source plan)

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: for the project; public repo required

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.

last verified 2026-07-06

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

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

GitHub Copilot Pro (free for OSS maintainers)

Free GitHub Copilot Pro subscription (the paid individual tier) for maintainers of popular open source repositories.

Eligibility: for the maintainer; public repo required; 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.

last verified 2026-07-07

GitHub Actions, Packages and paid-tier features on public repositories

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: for the project; public repo required

How to apply: No application; benefits apply automatically to public repositories.

last verified 2026-07-06

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

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

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

Codex for Open Source (ChatGPT Pro subscription)

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: for the maintainer; public repo required; 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.

last verified 2026-07-07

Codex Open Source Fund (API credit grants)

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: for the project; public repo required; 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/.

last verified 2026-07-07

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

Tembo platform (free for open source)

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

last verified 2026-07-07