4 companies, 4 verified offers, re-checked weekly.
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Storage, 4 companies
IDCompanyWhat you getStatusVerified
FOS-0026CachixstorageCI/CDFree Nix binary cache with a 5 GB storage limit (compressed) for open source projects, plus 20 Cachix…ACTIVEverified 2026-09-07›
What you get
Free Nix binary cache with a 5 GB storage limit (compressed) for open source projects, plus 20 Cachix Deploy agents.
Applies to
the project , not individual maintainers
Requirements
no stated requirements
How to apply
Sign up on cachix.org; the free open source tier is provisioned on signup for OSS use.
Provenance
Confirmed against cachix.org/pricing on 2026-09-07, matched anchor “free 5 GB limit for open source projects”.
FOS-0038Cloudsmithstoragemore toolsAt least 50 GB of artifact storage plus 200 GB/month of package delivery free across open source…ACTIVEverified 2026-09-07›
What you get
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.
Applies to
the project , not individual maintainers
Requirements
no stated requirements
How to apply
No advance approval needed: create an open source repository and follow the policy; Cloudsmith may verify eligibility later.
Provenance
Confirmed against docs.cloudsmith.com/resources/open-source-hosting-policy on 2026-09-07, matched anchor “Open-Source Hosting Policy”.
FOS-0067DockerCI/CDstorageVerified DSOS badge on Docker Hub, removal of Docker Hub rate limits for the project's public images…ACTIVEverified 2026-09-07›
What you get
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.
FOS-0107Keygenlicense compliancestorageFree artifact distribution (software distribution and automatic updates via Keygen Dist) for popular…ACTIVEverified 2026-09-07›
What you get
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.
Applies to
the project , not individual maintainers
Requirements
no stated requirements
How to apply
Contact Keygen by email (address on the open-source page); no formal application form.
Provenance
Confirmed against keygen.sh/open-source on 2026-09-07, matched anchor “support Open Source”.