Doop icon
Doop icon

Doop

Open-source multiplayer design canvas for humans and AI agents. Artboards render real HTML; people edit in the browser while agents design live through the built-in MCP server.

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  • Online
  • Self-Hosted
  • Mac
  • Docker
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  •  699 Stars
  •  87 Forks
  •  16 Open Issues
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Doop was added to AlternativeTo by Kevin-Goedecke on and this page was last updated .
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What is Doop?

Doop is the open-source alternative to Paper.design: a multiplayer design canvas for humans and AI agents. Every design lives on a shareable canvas holding frames, artboards that render real HTML in sandboxed iframes. People edit in the browser; AI agents such as Claude Code (or any MCP client) edit through the built-in MCP server, streaming their designs in live. Everyone sees cursors, presence, frame edits, agent status, comments pinned to elements and an activity feed in real time.

Features: a built-in Doop Agent that designs on its own from a queued card or @mention; design memory (pin exemplar frames, capture decisions, distilled style rules every agent follows); undo/redo; private-by-default canvases with invite-by-email or link sharing; one-command self-hosting with docker compose, or zero-config local dev with an embedded Postgres. Built with TypeScript, React, Express and Postgres. Licensed AGPL-3.0. Hosted version at doop.design.