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Freeplane vs TreeSheets: catalog facts
Freeplane	TreeSheets
Free Free and open source under the GPL.	Free The open-source software is available without a license fee. Hosting, hardware and…
Windows, macOS, Linux	Windows, macOS, Linux
Attributes, conditional styles, filtering and scripting go well beyond drawing a diagram Groovy scripting can generate or transform entire maps	Combines hierarchical outlines with spreadsheet-like structure.
A dense interface with a real learning curve Java Swing looks and feels out of place on every platform	Its nested-grid workflow takes some adjustment for new users.
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: Zlib
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 22, 2026

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