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Freeplane vs MindMup: catalog facts
Freeplane	MindMup
Free Free and open source under the GPL.	Free Creating, sharing and publishing mind maps is free and needs no sign-up.
Windows, macOS, Linux	Web
Attributes, conditional styles, filtering and scripting go well beyond drawing a diagram Groovy scripting can generate or transform entire maps	No sign-up needed to start a map Several layouts including org charts and fishbone diagrams
A dense interface with a real learning curve Java Swing looks and feels out of place on every platform	Real-time collaboration and presenting are not available yet Runs in the browser
Downloadable app	Web application
Open source	Closed source
License: GPL-2.0	License not stated
No account needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.