act
CI/CD & BuildRun GitHub Actions workflows locally for fast feedback
Replaces GitHub Actions
Best Free CI/CD & Build for self-hosting
The 17 best Free ci/cd & build you can self-host, ranked by community traction.
Argo CD
CI/CD & BuildDeclarative GitOps continuous delivery for Kubernetes
Replaces Spinnaker
Argo Workflows
CI/CD & BuildContainer-native workflow engine for Kubernetes
Replaces Airflow
Dagger
CI/CD & BuildProgrammable CI/CD engine that runs pipelines as code
Replaces GitHub Actions, CircleCI
Bytebase
CI/CD & BuildDatabase DevOps and CI/CD for schema changes
Replaces Liquibase, Flyway
Earthly
CI/CD & BuildRepeatable, container-based builds for CI
Replaces Make, GitHub Actions
Spinnaker
CI/CD & BuildMulti-cloud continuous delivery platform
Replaces Harness
Tekton
CI/CD & BuildCloud-native CI/CD building blocks for Kubernetes
Replaces Jenkins, GitHub Actions
Concourse CI
CI/CD & BuildPipeline-based continuous thing-doer
Replaces Jenkins, CircleCI
GoCD
CI/CD & BuildOpen-source continuous delivery server
Replaces Jenkins
Buildbot
CI/CD & BuildFlexible Python-based continuous integration framework
Replaces Jenkins
MockServer
CI/CD & BuildMock and proxy any system you integrate with over HTTP
Replaces WireMock
Buildkite Agent
CI/CD & BuildSelf-hosted CI/CD agent for your own infrastructure
Replaces GitHub Actions, CircleCI
Gitea Act Runner
CI/CD & BuildCI/CD runner for Gitea Actions
Replaces GitHub Actions
Laminar
CI/CD & BuildLightweight and modular continuous integration service
Replaces Jenkins
GitLab
CI/CD & BuildGit-repository manager providing wiki, issue-tracking and CI/CD
Replaces GitHub
Bamboo
CI/CD & BuildContinuous integration server
No apps match these filters.
At a glance
| App | Deploy effort | Difficulty | Min. RAM | License | ★ Stars |
|---|---|---|---|---|---|
| act | Read-the-docs project | Easy | 256 MB | MIT | 72,322 |
| Argo CD | Read-the-docs project | Hard | 1,024 MB | Apache-2.0 | 24,395 |
| Argo Workflows | Read-the-docs project | Hard | 1,024 MB | Apache-2.0 | 17,036 |
| Dagger | Under-an-hour setup | Medium | 1,024 MB | Apache-2.0 | 16,337 |
| Bytebase | Under-an-hour setup | Medium | 1,024 MB | MIT | 14,563 |
| Earthly | Under-an-hour setup | Medium | 512 MB | MPL-2.0 | 12,058 |
| Spinnaker | Read-the-docs project | Hard | 4,096 MB | Apache-2.0 | 9,802 |
| Tekton | Read-the-docs project | Hard | 1,024 MB | Apache-2.0 | 9,081 |
| Concourse CI | Under-an-hour setup | Hard | 2,048 MB | Apache-2.0 | 7,916 |
| GoCD | Under-an-hour setup | Medium | 2,048 MB | Apache-2.0 | 7,428 |
Quick picks
- Most adopted: act (72,322 GitHub stars).
- Lightest footprint: Laminar (from 128 MB RAM, against 4,096 MB for the heaviest here).
- Licensing: 8 of 17 use Apache-2.0; check the rest individually if you plan to modify and redistribute.
Every option here is open-source and self-hostable, tagged Free within the ci/cd & build category. Deploy effort is graded from published container recipes, not vendor claims — see the methodology.