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Freeplane vs SimpleMind: catalog facts
Freeplane	SimpleMind
Free Free and open source under the GPL.	Freemium Free edition available; Pro is a one-time purchase per platform with no subscription.
Windows, macOS, Linux	Windows, macOS, Android, iOS
Attributes, conditional styles, filtering and scripting go well beyond drawing a diagram Groovy scripting can generate or transform entire maps	One-time purchase, no subscription Free-form and automatic layouts
A dense interface with a real learning curve Java Swing looks and feels out of place on every platform	Pro must be bought separately for each platform Images, styling and notes need the Pro edition
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-2.0	License not stated
No account needed	Not stated if an account is 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 September 24, 2026

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