What is Dim0, exactly?
A thinking canvas where notes, docs, code, widgets, and AI agents live on one board together. It combines rich notes like Notion, freehand shapes like Excalidraw, and agents that act on the board, all on the same surface.
AI app builders · France
The open-source, real-time collaborative AI canvas with notes, mini-apps, and agents on one infinite board
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Open-source collaborative canvas for thinking in space with AI agents, notes, sketches, and interactive mini-apps on one infinite board.

Dim0 is an open-source, real-time collaborative AI canvas designed for complex thinking. Built as an alternative to Notion, Excalidraw, and ChatGPT Canvas combined, it lets users place notes, sketches, code, interactive mini-apps, and AI-generated content on a single infinite board. The board-aware AI agent reads surrounding context before acting, and can search the web, run code, and generate results as editable nodes. Teams collaborate in real time with live cursors, shared agents, and sync without merge conflicts. It supports eight AI models—Claude, GPT, Gemini, Mistral, DeepSeek, Qwen, Kimi, and GLM—all configurable by the user. Self-hostable under the MIT license or available on the cloud with privacy-first encryption and no data training.
Free: €0 with 50 AI requests/day, 5 boards, up to 5 collaborators per board. Basic: €6.99/month with 150 AI requests/day, unlimited boards, up to 10 collaborators per board. Plus: €11.99/month with unlimited AI requests, unlimited boards, up to 20 collaborators per board. Self-host: Free MIT-license
A thinking canvas where notes, docs, code, widgets, and AI agents live on one board together. It combines rich notes like Notion, freehand shapes like Excalidraw, and agents that act on the board, all on the same surface.
Yes. Dim0 is a Notion alternative and an Excalidraw alternative on one canvas with a board-aware AI agent on top. It combines all three—Notion's rich notes, Excalidraw's canvas, and ChatGPT's AI—on one board, with the agent reading surrounding context before acting.
Yes, free to use during early access at app.dim0.net. The product is also open source: you can fork it, self-host it, and bring your own model keys.
Eight models: Claude, GPT, Gemini, Mistral, DeepSeek, Qwen, Kimi, and GLM. You can pick the one you trust and switch anytime.
Yes. Real-time multi-user collaboration is live with live cursors, presence, and edits that sync without merge conflicts. Shared AI agents work on the same board for the team.
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