Best Open Source Alternatives to GitHub

Compare the best free and open-source alternatives to GitHub — self-hosted and desktop replacements you fully control, ranked by GitHub stars, license and platform support.

Curated by open-source.store · Updated November 2026 · 1 alternatives

GitHub

Proprietary SaaS

GitHub alternatives compared

Open-source alternatives to GitHub, compared by stars, license and platform
Tool		License	Platforms	Self-hosted
Harness	38,805	Apache-2.0	DockerLinux	Yes	Nov 2026	Visit

Top open-source GitHub alternatives

Harness38,805Apache-2.0

Harness Open Source is a self-hosted developer platform unifying Git repositories, containerized CI/CD pipelines, Gitspaces, and artifact management.

DockerLinux

vs GitHub: a free, open-source option you fully control, licensed Apache-2.0.

Visit

EasyP

Promoted

The modern standard for Protobuf workflows

Lint, codegen, breaking-change checks and dependency management in one Git-native CLI. Open source, no registry lock-in.

lintgeneratebreakingeasyp.lock

go · ts · java generated

$ easyp breaking

backward compatible