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Project Graph vs Freeplane: catalog facts
Project Graph	Freeplane
Free Free download; the project accepts sponsorship.	Free Free and open source under the GPL.
Windows	Windows, macOS, Linux
Many node types including LaTeX, images and SVG Keyboard-driven tree building with automatic layout	Attributes, conditional styles, filtering and scripting go well beyond drawing a diagram Groovy scripting can generate or transform entire maps
Website and documentation are mainly in Chinese Licence terms are not clearly stated in the research	A dense interface with a real learning curve Java Swing looks and feels out of place on every platform
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-2.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 21, 2026

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