foropensource

Cachix Nix binary cache (open source tier)

Free Nix binary cache with a 5 GB storage limit (compressed) for open source projects, plus 20 Cachix Deploy agents.

Eligibility: for the project; 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.

last verified 2026-07-06

Cloudsmith open source repository hosting

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: for the project; 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.

last verified 2026-07-06

Docker-Sponsored Open Source (Docker Hub + Team subscription)

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

last verified 2026-07-06

Free artifact distribution for open source projects

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: for the project; 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.

last verified 2026-07-07