head to head · open source
plannotator vs reviewdog
plannotator has 9,825 GitHub stars, 735 forks, 155 open issues and last shipped yesterday. reviewdog has 9,716 stars, 512 forks, 131 open issues and last shipped yesterday. plannotator leads on adoption by 1% (9,825 vs 9,716 stars). plannotator is written in TypeScript under Apache-2.0; reviewdog is written in Go under MIT. plannotator has attracted 7% as many forks as stars, reviewdog 5%. plannotator 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
| plannotator | reviewdog | |
|---|---|---|
| GitHub stars | ★ 9.8K | ★ 9.7K |
| License | Apache-2.0 | MIT |
| Written in | TypeScript | Go |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 735 | ⑂ 512 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick plannotator if
- You weight community size — 9.8K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick reviewdog if
- You want the reviewdog feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and reviewdog fits your workflow better
About plannotator
Everything you need to annotate and stay in the loop with your agents Markdown Review • Code Review • HTML Artifacts Annotate plans, specs, markdown, and HTML before implementation. Review diffs and PRs. Send feedback to your agent. Watch the og demo · Installation guide · Official site · Visual HTML Skills · Herdr Annotate Plannotator Plannotator is a local, browser based review surface for AI coding agents: Claude Code, Codex, Copilot CLI, Gemini CLI, OpenCode, Kiro, Droid, Amp, and Pi. It plugs directly into your agent through its hooks and commands. When the agent proposes a plan, html, or finishes writing…
read the full plannotator overview →
About reviewdog
reviewdog A code review dog who keeps your codebase healthy. reviewdog provides a way to post review comments to code hosting services, such as GitHub, automatically by integrating with any linter tools with ease. It uses an output of lint tools and posts them as a comment if findings are in the diff of patches to review. reviewdog also supports running in the local environment to filter the output of lint tools by diff. design doc Table of Contents Installation Input Format 'errorformat' Available pre defined 'errorformat' Reviewdog Diagnostic Format (RDFormat) Diff checkstyle format SARIF format Code…
read the full reviewdog overview →
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Frequently asked questions
Is plannotator or reviewdog more popular?
plannotator has 9,825 GitHub stars and reviewdog has 9,716. plannotator has the larger community by that measure.
Are plannotator and reviewdog free?
Both are open source. plannotator is licensed under Apache-2.0 and reviewdog under MIT. Neither carries a licence fee.
What is the difference between plannotator and reviewdog?
plannotator is written in TypeScript and reviewdog 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, plannotator or reviewdog?
Choose plannotator if you want the larger community (9,825 stars) or its Apache-2.0 licence terms. Choose reviewdog if its feature set, stack or MIT licence fits better. Both are self-hostable.