head to head · open source
reviewdog vs twinny
reviewdog has 9,614 GitHub stars, 498 forks, 131 open issues and last shipped yesterday. twinny has 3,650 stars, 230 forks, 48 open issues and last shipped yesterday. reviewdog leads on adoption by 163% (9,614 vs 3,650 stars). reviewdog is written in Go under MIT; twinny is written in TypeScript under MIT. reviewdog has attracted 5% as many forks as stars, twinny 6%. reviewdog was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (code-review), 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.
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Side by side
| reviewdog | twinny | |
|---|---|---|
| GitHub stars | ★ 9.6K | ★ 3.6K |
| License | MIT | MIT |
| Written in | Go | TypeScript |
| Last push | 2026-09-22 | 2026-09-22 |
| Forks | ⑂ 498 | ⑂ 230 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick reviewdog if
- You weight community size — 9.6K stars and counting
- You want the MIT license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick twinny if
- You want the twinny feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and twinny fits your workflow better
About reviewdog
reviewdog is an automated code review tool written in Go and released under the MIT license. It lives in the version control and collaboration space of the developer tooling ecosystem, and it integrates with code analysis tools regardless of programming language. Rather than performing analysis itself, reviewdog consumes the output of existing linters and static analysis tools and turns those findings into review comments on code hosting services. The project has been published for roughly ten years, carries more than nine thousand stars and close to five hundred forks, and its topic list covers CI, linting, stat…
read the full reviewdog overview →
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 →
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Frequently asked questions
Is reviewdog or twinny more popular?
reviewdog has 9,614 GitHub stars and twinny has 3,650. reviewdog has the larger community by that measure.
Are reviewdog and twinny free?
Both are open source. reviewdog is licensed under MIT and twinny under MIT. Neither carries a licence fee.
What is the difference between reviewdog and twinny?
reviewdog is written in Go and twinny in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, reviewdog or twinny?
Choose reviewdog if you want the larger community (9,614 stars) or its MIT licence terms. Choose twinny if its feature set, stack or MIT licence fits better. Both are self-hostable.