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Excalidraw vs Limnu: catalog facts
Excalidraw	Limnu
Freemium The editor is free and open source. Excalidraw Plus is a paid subscription.	Freemium Free to try, with paid plans for regular use.
Web, Self-hosted	Web
The sketchy style keeps diagrams feeling provisional rather than final End-to-end encrypted collaboration rooms, and self-hostable	Smooth freehand drawing that resembles a physical whiteboard Start sketching without signing up
Not built for precise technical diagrams Some team features belong to the paid Excalidraw Plus	Freehand focus, not suited to structured diagrams Works online only
Web application, Self-hosted	Web application
Open source	Closed source
License: MIT	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 2, 2026

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