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Directory › Cirrus Labs

Is Cirrus Labs still free for open source? No.

Cirrus Labs’s free-for-open-source offer has been discontinued (last checked 2026-07-06). The record below is kept for reference.
FOS-0034 DISCONTINUED confirmed gone 2026-07-06
In the graveyard. Kept on the record so you don’t waste an application, the dedicated program is gone.

Cirrus Labs

Cirrus CI
CI/CD
What it was
Historically: free CI for public OSS repositories on Linux, Windows, macOS and FreeBSD (including ARM), capped at 50 compute credits/month (~10,000 Linux CPU-minutes). Service has been shut down.
How to apply
No longer possible; service discontinued.
Provenance
Checked 2026-07-06: program page gone or offer withdrawn. Retained for the record.
no application path, alternatives below

Still-active alternatives

FOS-0009 AppVeyorCI/CD Free CI/CD plan for open source: unlimited public projects, 1 concurrent job, 5 self-hosted jobs,… ACTIVE verified 2026-09-07 ›
What you get
Free CI/CD plan for open source: unlimited public projects, 1 concurrent job, 5 self-hosted jobs, 60-minute max build time, community support. Additionally, a 50% discount on all paid plans for open-source projects (and students/educational orgs) needing more compute or concurrency.
Applies to
the project , not individual maintainers
Requirements
public repository
run a repo match above to see which you meet →
How to apply
Sign up via "Get your FREE account" / "Get your OSS project on-board" on the pricing page.
Provenance
Confirmed against appveyor.com/pricing on 2026-09-07, matched anchor “Open-source FREE Unlimited public projects”.
Open program page ↗Check your repo →
FOS-0017 BitriseCI/CD Free Developer Plan features for public open source projects: one dedicated concurrency per project,… ACTIVE verified 2026-09-07 ›
What you get
Free Developer Plan features for public open source projects: one dedicated concurrency per project, build times up to 45 minutes, unlimited builds, unlimited team members, public build pages/logs with automatic secret filtering.
Applies to
the project , not individual maintainers
Requirements
public repository
run a repo match above to see which you meet →
How to apply
Log in to Bitrise, "Add new app" choose the "public" option, and connect the repo via HTTPS URL.
Provenance
Confirmed against bitrise.io/blog/post/free-developer-plan-features-for-open-source-projects-on-bitrise on 2026-09-07, matched anchor “free for open source projects”.
Open program page ↗Check your repo →
FOS-0019 BlacksmithCI/CD Free use of Blacksmith's high-performance GitHub Actions runners and CI services for qualifying open… ACTIVE verified 2026-09-07 ›
What you get
Free use of Blacksmith's high-performance GitHub Actions runners and CI services for qualifying open source projects (program currently supports projects such as Celery, Ladybird, Zen and Limbo).
Applies to
the project , not individual maintainers
Requirements
actively developedpublic repository
run a repo match above to see which you meet →
How to apply
Submit the OSS program application form on the Blacksmith pricing page.
Provenance
Confirmed against blacksmith.sh/pricing on 2026-09-07, matched anchor “free plan falling short for many OSS”.
Open program page ↗Check your repo →
FOS-0022 BuildkiteCI/CD Free access to the Pro plan (normally $30 USD per active user per month) for open source projects;… STALE re-check due 2026-08-10 ›
What you get
Free access to the Pro plan (normally $30 USD per active user per month) for open source projects; usage and inclusions are discussed with Buildkite on a case-by-case basis.
Applies to
the project , not individual maintainers
Requirements
no stated requirements
How to apply
Contact Buildkite to discuss usage and inclusions; no self-service signup for the open source plan.
Provenance
Confirmed against buildkite.com/pricing on 2026-08-10, matched anchor “free for open source projects”.
Open program page ↗Check your repo →
FOS-0026 CachixstorageCI/CD Free Nix binary cache with a 5 GB storage limit (compressed) for open source projects, plus 20 Cachix… ACTIVE verified 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”.
Open program page ↗Check your repo →
FOS-0033 CircleCICI/CD Free CI/CD credits for open source organizations: up to 400,000 credits per month for Linux, Arm, and… ACTIVE verified 2026-09-07 ›
What you get
Free CI/CD credits for open source organizations: up to 400,000 credits per month for Linux, Arm, and Docker builds plus 30,000 credits per month for macOS and Windows builds, with enterprise-grade features such as SSH debugging, Docker layer caching, and self-hosted runners.
Applies to
organization
Requirements
public repository
run a repo match above to see which you meet →
How to apply
Sign up for free on circleci.com with your open source project; credits apply to OSS builds.
Provenance
Confirmed against circleci.com/open-source on 2026-09-07, matched anchor “Free OSS Continuous Integration”.
Open program page ↗Check your repo →
FOS-0035 CirunCI/CD Cirun service free forever for open source: unlimited public repositories and unlimited self-hosted… ACTIVE verified 2026-09-07 ›
What you get
Cirun service free forever for open source: unlimited public repositories and unlimited self-hosted GitHub Actions runners on all supported cloud providers, including ARM-based and GPU runners. Runners launch in your own cloud account, so underlying cloud compute costs are yours.
Applies to
the project , not individual maintainers
Requirements
public repository
run a repo match above to see which you meet →
How to apply
Sign up via the Get Started flow on cirun.io and connect your repository and cloud account.
Provenance
Confirmed against cirun.io/pricing on 2026-09-07, matched anchor “free for open source”.
Open program page ↗Check your repo →
FOS-0044 CodeberghostingCI/CD Free Git repository hosting on Forgejo, static site hosting via Codeberg Pages, CI/CD… STALE re-check due 2026-07-06 ›
What you get
Free Git repository hosting on Forgejo, static site hosting via Codeberg Pages, CI/CD (Woodpecker-based), and a Weblate translation instance, run by a Berlin-based non-profit funded by membership dues and donations (629k+ projects hosted).
Applies to
the project , not individual maintainers
Requirements
no stated requirements
How to apply
Register an account directly at codeberg.org; no approval process for standard use.
Provenance
Confirmed against codeberg.org on 2026-07-06.
Open program page ↗Check your repo →

Browse all free CI/CD offers, or match your repo against every current offer.

Know of a new Cirrus Labs offer for open source? Update it on GitHub.