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plannotator vs OpenMAIC

plannotator and OpenMAIC share 17 technologies: React, Anthropic, Tailwind CSS, Pi, sonner, Lucide, Base UI, motion, shiki, uqr, Zod, @joplin/turndown-plugin-gfm, parse5, turndown, class-variance-authority, tailwind-merge, and katex. Both are written in TypeScript.

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What they share and what sets them apart

backnotprop

plannotator

The workspace to stay in the loop and on top of agents - shape, decide, plan, annotate, review code, share with team, and send all feedback to agents with one click.

TypeScript10.4kRead on November 13, 2026, at commit 6cd0324What is plannotator built with?

Only in plannotator

In common

THU-MAIC

OpenMAIC

Open Multi-Agent Interactive Classroom — Get an immersive, multi-agent learning experience in just one click

TypeScript43.5kRead on November 13, 2026, at commit 65d5ac4What is OpenMAIC built with?

Only in OpenMAIC

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
plannotator1,355,493 lines written2,485 code files
OpenMAIC903,423 lines written2,113 code files
Who writes itA commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
plannotator20.8% of its commits signed by AIWith Claude Code, Devin, GitHub Copilot, and Codex
OpenMAIC38% of its commits signed by AIWith Claude Code, Cursor, Codex, and GitHub Copilot
ActivityFrom GitHub and its history, on the day SeeRepo read it.
plannotatorLast push November 13, 20265,551 commits10,410 stars
OpenMAICLast push November 13, 2026880 commits43,461 stars
TestsThe files that test the code, and the share of code files a test imports.
plannotator2,651 test files65.3% of its code files have a test that imports them
OpenMAIC1,627 test files62.3% of its code files have a test that imports them

Frequently asked questions

Which is bigger, plannotator or OpenMAIC?
plannotator, with 1,355,493 lines written; OpenMAIC has 903,423.

The proof: backnotprop/plannotator's code at commit 6cd0324

Which has more GitHub stars, plannotator or OpenMAIC?
OpenMAIC, with 43,461 stars; plannotator has 10,410.

The proof: THU-MAIC/OpenMAIC on GitHub

Which has more tests, plannotator or OpenMAIC?
plannotator, with 2,651 test files; OpenMAIC has 1,627.

The proof: backnotprop/plannotator's code at commit 6cd0324

Which was updated more recently, plannotator or OpenMAIC?
Both got their last push on November 13, 2026.

The proof: backnotprop/plannotator's commits on GitHub

Which has more commits signed by AI, plannotator or OpenMAIC?
OpenMAIC: an AI signed 38% of its commits, with Claude Code, Cursor, Codex, and GitHub Copilot; in plannotator, 20.8%.

The proof: the commits each tool signed in THU-MAIC/OpenMAIC

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