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plannotator vs multica

plannotator and multica share 14 technologies: React, Tailwind CSS, Mermaid, marked, sonner, Base UI, motion, shiki, Zod, yaml, class-variance-authority, tailwind-merge, TanStack, and katex. plannotator is written in TypeScript and multica in Go.

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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

multica-ai

multica

Make humans and AI agents work as one team — open-source and self-hostable.

Go55.9kRead on November 13, 2026, at commit aaa069aWhat is multica built with?

Only in multica

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
plannotator1,355,493 lines written2,485 code files
multica1,527,292 lines written2,983 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
multica36.5% 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
multicaLast push November 13, 20265,698 commits55,931 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
multica2,710 test files63.8% of its code files have a test that imports them

Frequently asked questions

Which is bigger, plannotator or multica?
multica, with 1,527,292 lines written; plannotator has 1,355,493.

The proof: multica-ai/multica's code at commit aaa069a

Which has more GitHub stars, plannotator or multica?
multica, with 55,931 stars; plannotator has 10,410.

The proof: multica-ai/multica on GitHub

Which has more tests, plannotator or multica?
multica, with 2,710 test files; plannotator has 2,651.

The proof: multica-ai/multica's code at commit aaa069a

Which was updated more recently, plannotator or multica?
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 multica?
multica: an AI signed 36.5% of its commits, with Claude Code, Cursor, Codex, and GitHub Copilot; in plannotator, 20.8%.

The proof: the commits each tool signed in multica-ai/multica

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