head to head · open source
plannotator vs crit
plannotator has 9,838 GitHub stars, 737 forks, 155 open issues and last shipped today. crit has 1,268 stars, 106 forks, 22 open issues and last shipped 2 days ago. plannotator leads on adoption by 676% (9,838 vs 1,268 stars). plannotator is written in TypeScript under Apache-2.0; crit is written in Go under MIT. plannotator has attracted 7% as many forks as stars, crit 8%. 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 | crit | |
|---|---|---|
| GitHub stars | ★ 9.8K | ★ 1.3K |
| License | Apache-2.0 | MIT |
| Written in | TypeScript | Go |
| Last push | 2026-11-04 | 2026-11-02 |
| Forks | ⑂ 737 | ⑂ 106 |
| 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 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 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 crit
Crit Review and comment on plans, code diffs, frontend elements and send feedback directly to your agent. Adaptive UI for each type of output For agents, plans and code are all the same it's just text, but for us, humans, reviewing generated plans and reviewing web application are two very different activities. Crit adds a proper interface for each type of output and lets you point at the exact thing that is wrong and leave a comment for the agent to fix: crit plan.md renders a markdown file with proper formatting and review UI crit auto detects git changes and shows syntax highlighted diffs for local review…
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Frequently asked questions
Is plannotator or crit more popular?
plannotator has 9,838 GitHub stars and crit has 1,268. plannotator has the larger community by that measure.
Are plannotator and crit free?
Both are open source. plannotator is licensed under Apache-2.0 and crit under MIT. Neither carries a licence fee.
What is the difference between plannotator and crit?
plannotator 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, plannotator or crit?
Choose plannotator if you want the larger community (9,838 stars) or its Apache-2.0 licence terms. Choose crit if its feature set, stack or MIT licence fits better. Both are self-hostable.