plannotator vs paperclip

plannotator and paperclip share 16 technologies: React, Vite, Anthropic, MCP, Tailwind CSS, Mermaid, dompurify, Lucide, Base UI, motion, Zod, Drizzle, yaml, class-variance-authority, tailwind-merge, and CodeMirror. 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

paperclipai

paperclip

The open-source app everyone uses to manage agents at work

TypeScript113.2kRead on November 12, 2026, at commit 51d7764What is paperclip built with?

Only in paperclip

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
plannotator1,355,493 lines written2,485 code files
paperclip3,556,913 lines written5,493 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
paperclip26.5% of its commits signed by AIWith Claude Code, Codex, Cursor, and GitHub Copilot
ActivityFrom GitHub and its history, on the day SeeRepo read it.
plannotatorLast push November 13, 20265,551 commits10,410 stars
paperclipLast push November 12, 20267,243 commits113,227 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
paperclip6,093 test files62.7% of its code files have a test that imports them

Frequently asked questions

Which is bigger, plannotator or paperclip?
paperclip, with 3,556,913 lines written; plannotator has 1,355,493.

The proof: paperclipai/paperclip's code at commit 51d7764

Which has more GitHub stars, plannotator or paperclip?
paperclip, with 113,227 stars; plannotator has 10,410.

The proof: paperclipai/paperclip on GitHub

Which has more tests, plannotator or paperclip?
paperclip, with 6,093 test files; plannotator has 2,651.

The proof: paperclipai/paperclip's code at commit 51d7764

Which was updated more recently, plannotator or paperclip?
plannotator: its last push was on November 13, 2026, and paperclip's on November 12, 2026.

The proof: backnotprop/plannotator's commits on GitHub

Which has more commits signed by AI, plannotator or paperclip?
paperclip: an AI signed 26.5% of its commits, with Claude Code, Codex, Cursor, and GitHub Copilot; in plannotator, 20.8%.

The proof: the commits each tool signed in paperclipai/paperclip

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