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4 Best Open Source GitHub Actions Alternatives

A curated collection of the 4 best open source and self-hosted alternatives to GitHub Actions in 2026.

Looking for a free, privacy-friendly, or self-hosted replacement for GitHub Actions in 2026? The top open-source alternative is Harness — Streamline code delivery with an open-source CI/CD platform featuring Git integration, fast pipelines, and hosted development environments..

Other highly rated open-source GitHub Actions alternatives include GitLab, Woodpecker CI and Semaphore.

38,144

Streamline code delivery with an open-source CI/CD platform featuring Git integration, fast pipelines, and hosted development environments.

Harness preview

Streamline code delivery with an open-source CI/CD platform featuring Git integration, fast pipelines, and hosted development environments.

24,540

A comprehensive AI-powered DevSecOps platform that integrates development, security, and operations, streamlining software delivery and enhancing productivity.

GitLab preview

A comprehensive AI-powered DevSecOps platform that integrates development, security, and operations, streamlining software delivery and enhancing productivity.

7,755

Open-source CI/CD platform using Docker containers for pipeline execution. Create multiple workflows, extend with plugins, and enjoy free lifetime access.

Woodpecker CI preview

Open-source CI/CD platform using Docker containers for pipeline execution. Create multiple workflows, extend with plugins, and enjoy free lifetime access.

1,586

Continuous integration and delivery platform offering faster builds, lower costs, and maintenance-free operations. Cut build times dramatically while reducing CI/CD expenses by 50%.

Semaphore preview

Continuous integration and delivery platform offering faster builds, lower costs, and maintenance-free operations. Cut build times dramatically while reducing CI/CD expenses by 50%.

About GitHub Actions

Automate your software development workflows directly in GitHub with CI/CD pipelines, testing, and deployment capabilities built into your repository.