Open-source mind maps and whiteboard on your computer or your team's server: live collaboration, comments, and a built-in MCP server so your AI agent can build boards with you.
Mind maps and an infinite whiteboard on your computer, and your AI agent can draw on it too.Open source. Works offline. No account.
Quick start · AI agents (MCP) · Teams · Features · Shortcuts · Roadmap · Español
Most whiteboard tools want an account, a monthly fee and a copy of your ideas on their servers. Mapache is a folder you run on your own computer. Your boards are plain files on your disk, it opens instantly, it keeps working on a plane, and your AI agent can read them and build on them with you.
- ⚡ Fast like a native app. No framework, no build step, no loading spinners. - 🧠 Mind maps that keep up with you. Tab for a child, Enter for a sibling, drag to re-parent, colored branches, and as many maps as you want on one board. - 🎨 A real whiteboard around them. Sticky notes, 12 shapes, sections, connectors that route around objects, freehand drawing with shape recognition, images and videos. - 📊 Data built in. Paste a table from Excel or Google Sheets and turn it into any of 17 chart types. - 💬 Comments and mentions. Pin a comment anywhere, reply, resolve, and @mention people (or let your agent leave notes for you to review). - 🤖 Made for AI agents. A built-in MCP server lets Claude, Codex, Cursor and friends read your boards and create mind maps, notes, flowcharts and tables. You watch them appear live. - 🔒 Yours, for real. Local-first, no telemetry, plain JSON files you can read, back up or put in Git. AGPL-3.0.
From the project README.
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