Compare software

Project Graph vs Scapple: catalog facts
Project Graph	Scapple
Free Free download; the project accepts sponsorship.	Paid One-time purchase, with a free trial available.
Windows	Windows, macOS
Many node types including LaTeX, images and SVG Keyboard-driven tree building with automatic layout	Notes can go anywhere with no forced central topic Connections made by dragging one note onto another
Website and documentation are mainly in Chinese Licence terms are not clearly stated in the research	Paid after the trial No Linux or mobile versions mentioned
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is 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 October 1, 2026

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