head to head · open source
open-code-review vs plannotator
open-code-review has 49,287 GitHub stars, 3,614 forks, 160 open issues and last shipped yesterday. plannotator has 9,825 stars, 735 forks, 155 open issues and last shipped yesterday. open-code-review leads on adoption by 402% (49,287 vs 9,825 stars). open-code-review is written in Go under Apache-2.0; plannotator is written in TypeScript under Apache-2.0. open-code-review has attracted 7% as many forks as stars, plannotator 7%. 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
| open-code-review | plannotator | |
|---|---|---|
| GitHub stars | ★ 49K | ★ 9.8K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Go | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 3.6K | ⑂ 735 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick open-code-review if
- You weight community size — 49K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick plannotator if
- You want the plannotator feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and plannotator fits your workflow better
About open-code-review
OpenCodeReview English 简体中文 日本語 한국어 Русский What is Open Code Review? Open Code Review is an AI powered code review CLI tool. It originated as Alibaba Group's internal official AI code review assistant — over the past two years, it has served tens of thousands of developers and identified millions of code defects. After thorough validation at massive scale, we incubated it into an open source project for the community. Simply configure a model endpoint to get started. It reads Git diffs, sends changed files to a configurable LLM via an agent with tool use capabilities, and generates structured review comments…
read the full open-code-review overview →
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 →
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Frequently asked questions
Is open-code-review or plannotator more popular?
open-code-review has 49,287 GitHub stars and plannotator has 9,825. open-code-review has the larger community by that measure.
Are open-code-review and plannotator free?
Both are open source. open-code-review is licensed under Apache-2.0 and plannotator under Apache-2.0. Neither carries a licence fee.
What is the difference between open-code-review and plannotator?
open-code-review is written in Go and plannotator 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, open-code-review or plannotator?
Choose open-code-review if you want the larger community (49,287 stars) or its Apache-2.0 licence terms. Choose plannotator if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.