head to head · open source
twinny vs crit
twinny has 3,650 GitHub stars, 230 forks, 48 open issues and last shipped yesterday. crit has 1,117 stars, 91 forks, 22 open issues and last shipped yesterday. twinny leads on adoption by 227% (3,650 vs 1,117 stars). twinny is written in TypeScript under MIT; crit is written in Go under MIT. twinny has attracted 6% as many forks as stars, crit 8%. twinny was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (code-review, developer-tools, llm), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
← all 20902 open source comparisons
Side by side
| twinny | crit | |
|---|---|---|
| GitHub stars | ★ 3.6K | ★ 1.1K |
| License | MIT | MIT |
| Written in | TypeScript | Go |
| Last push | 2026-09-22 | 2026-09-22 |
| Forks | ⑂ 230 | ⑂ 91 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick twinny if
- You weight community size — 3.6K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick crit if
- You want the crit feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and crit fits your workflow better
About twinny
twinny is a free, MIT licensed AI coding assistant for Visual Studio Code that brings code completion, chat, inline edits, code review and commit messages to individual developers and teams running a model server they choose — local, on another device, hosted, or shared as one team gateway.
read the full twinny overview →
About crit
Crit is a local, single binary review interface for agentic coding workflows that lets a developer comment directly on generated plans, code diffs, and frontend elements and send that feedback back to the coding agent.
More in Developer Tools
Related comparisons
More Version Control & Collaboration projects
Compare either of these against the rest of the Version Control & Collaboration field.
Frequently asked questions
Is twinny or crit more popular?
twinny has 3,650 GitHub stars and crit has 1,117. twinny has the larger community by that measure.
Are twinny and crit free?
Both are open source. twinny is licensed under MIT and crit under MIT. Neither carries a licence fee.
What is the difference between twinny and crit?
twinny is written in TypeScript and crit in Go. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, twinny or crit?
Choose twinny if you want the larger community (3,650 stars) or its MIT licence terms. Choose crit if its feature set, stack or MIT licence fits better. Both are self-hostable.