head to head · open source
pr-agent vs plannotator
pr-agent has 13,933 GitHub stars, 2,036 forks, 102 open issues and last shipped yesterday. plannotator has 9,825 stars, 735 forks, 155 open issues and last shipped yesterday. pr-agent leads on adoption by 42% (13,933 vs 9,825 stars). pr-agent is written in Python under MIT; plannotator is written in TypeScript under Apache-2.0. pr-agent has attracted 15% 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
| pr-agent | plannotator | |
|---|---|---|
| GitHub stars | ★ 14K | ★ 9.8K |
| License | MIT | Apache-2.0 |
| Written in | Python | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 2.0K | ⑂ 735 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick pr-agent if
- You weight community size — 14K stars and counting
- You want the MIT license terms
- Your stack matches Python
- 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 pr-agent
The Original Open Source PR Reviewer This repository contains the open source PR Agent Project. It is not the Qodo offering for open source projects. PR Agent is an open source, AI powered code review agent and a community maintained legacy project of Qodo. It is distinct from Qodo's primary AI code review offering, which provides a feature rich, context aware experience. Qodo offers a free version for open source projects and integrates seamlessly with GitHub, GitLab, Bitbucket, and Azure DevOps for high quality automated reviews. Sponsors PR Agent is a community maintained open source project, with its ongoing…
read the full pr-agent 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 pr-agent or plannotator more popular?
pr-agent has 13,933 GitHub stars and plannotator has 9,825. pr-agent has the larger community by that measure.
Are pr-agent and plannotator free?
Both are open source. pr-agent is licensed under MIT and plannotator under Apache-2.0. Neither carries a licence fee.
What is the difference between pr-agent and plannotator?
pr-agent is written in Python 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, pr-agent or plannotator?
Choose pr-agent if you want the larger community (13,933 stars) or its MIT licence terms. Choose plannotator if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.