Open-source version control systems in 2026
3 open-source projects, ranked by GitHub stars and how recently each was worked on. Git leads with 64k stars, ahead of Jujutsu. 3 had code pushed in the last three months. Most common licenses: Apache-2.0 (2) and See repository (1).
Open-source version control systems
Developer tools 3
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1
Git git
Git Source Code Mirror - This is a publish-only repository but pull requests can be turned into patches to the mailing list via GitGitGadget (https://gitgitgadget.github.io/). Please follow Documentation/SubmittingPatches procedure for any of your improvements.
Developer tool Production-ready You are writing software at all; it is the default that hosting services, CI and nearly every developer tool expect.
★ 64k See repository C Active, pushed today -
2
Jujutsu jj-vcs
A Git-compatible VCS that is both simple and powerful
Developer tool Usable You rewrite and stack commits a lot and want an easier model than Git while still pushing to GitHub or any Git remote.
★ 32k Apache-2.0 Rust Active, pushed today
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3
brain0 Brain0-ai
The black box for AI-written code. Passive decision graph linking every commit to the agent prompts behind it: drift detection, DLP audit of what agents read, evidence-driven risk, MCP memory for coding agents, signed provenance attestations. One command, offline by default.
Developer tool Experimental Coding agents write much of your code and you need to trace which prompt produced a change and what the agent had access to.
★ 296 Apache-2.0 Rust Active, pushed 6 days ago
Open-source licenses
- Permissive: 2. Use it anywhere, including in closed products. You keep the copyright notice; Apache-2.0 also grants patent rights.
Languages
Rust 2 and C 1.
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