Infrastructure

Anthropic OSS Scanner offers free recurring vulnerability scans for eligible established open source projects. Reports are model-generated and require maintainer review.

AWS offers discretionary cloud credits to actively maintained open source projects for eligible infrastructure costs.

Claude for Open Source gives approved open-source maintainers and contributors six months of personal Claude Max 20x access.

Cloudflare Project Alexandria offers recurring annual service credits to qualifying open-source projects for Cloudflare plans, Workers and Pages, R2, and Zero Trust services.

CodeRabbit offers AI code review and related tools to open-source projects, with review limits that vary by project. Public repositories under 10 stars require a manual review trigger.

OpenAI’s Codex for Open Source program offers selected maintainers ChatGPT Pro with Codex, API credits, or conditional Codex Security access.

Dosu helps maintainers generate documentation, answer repository questions, and reduce support overhead with GitHub-connected AI workflows.

GitHub lists Copilot Pro signups as available and documents complimentary access for eligible maintainers of popular open source repositories. Maintainer access requires an account eligibility check.

GitLab for Open Source gives accepted open-source namespaces free GitLab Ultimate features and 50,000 compute minutes at a program-specific cost factor.

Houdini is a self-hosted open source fundraising stack for nonprofits and NGOs.

JetBrains reviews established open-source projects for free All Products Pack subscriptions for eligible project leads and core contributors.

Ona offers eligible open-source maintainers and core contributors up to $200 per month in credits for its AI development platform.

The Open Source Lab is a nonprofit organization working for the advancement of open source technologies by providing hosting to open source projects.

Radicle is a peer-to-peer code collaboration stack built on Git for sovereign, local-first software collaboration.

Software Freedom Conservancy is a nonprofit fiscal sponsor and services organization for free and open source software projects.

Staroid is a hosting platform that turns open source projects into running services to fund project contributors.

Storj is a decentralized, end-to-end encrypted cloud storage platform that uses cryptography to secure your files.

Applications are currently closed. Selected open-source projects receive $3,600 in Vercel platform credits over three years, plus OSS Starter Pack benefits.

vlt gives approved JavaScript and Node.js open source maintainers a free Pro account with 10 GB monthly usage and priority support.