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Open source diagramming tool with real-time collaboration and privacy-first data storage.

MindMeister is an online mind mapping tool for brainstorming, organizing, and collaborating on ideas in real time.
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MindMeister enables users to create, share, and collaborate on mind maps online with features like AI-assisted mind map generation, real-time collaboration, presentations, and integrations with productivity tools.
Updated Oct 16, 2026.
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MindMeister is the refreshingly simple mind mapping software, helping people think better since 2007.
Enter a prompt or upload a file to get a customizable mind map in seconds.
Then keep editing with AI: expand a branch, shorten text, add notes or tidy up the whole map.
MindMeister works on any device with a browser. Your mind maps sync across desktop, tablet and phone automatically.
MindMeister runs entirely in your browser.
MindMeister is designed to be the easiest mind mapping tool available. Open your browser, sign up for free and start your first mind map in under a minute. The drag-and-drop editor works on any device with no software to install.
Yes. Choose a mind map template for brainstorming, notes, meetings or planning, or browse public mind map examples for inspiration. Templates open straight in MindMeister, so you can start editing right away.
Switch the layout, swap the theme, set your colors. Whatever helps you focus.
Start anywhere, follow any thought, and let one idea lead to the next. MindMeister moves as fast as you think, so you're capturing ideas easily, not wrestling with formatting.
Mind maps give you a way to lay everything out and see the whole shape of a problem: what connects, what's missing, what matters most.
With MindMeister, your whole team can work on the same map at once. Add branches, leave comments, and build on each other's thinking in real time.
Type a prompt and Meister AI builds the map structure for you.
Or upload a document (a PDF, presentation, spreadsheet, or image) and it extracts and organizes the key ideas automatically.
Then use Meister AI to quickly refine and polish your map.
Free
Prices as of October 2026.
No written reviews yet. Be the first to share your experience.
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