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Excalidraw vs tldraw: catalog facts
Excalidraw	tldraw
Freemium The editor is free and open source. Excalidraw Plus is a paid subscription.	Freemium The whiteboard is free to use. The SDK requires a licence for production use.
Web, Self-hosted	Web
The sketchy style keeps diagrams feeling provisional rather than final End-to-end encrypted collaboration rooms, and self-hostable	Instant, no-signup whiteboard that feels genuinely fast The same engine is available as an embeddable SDK
Not built for precise technical diagrams Some team features belong to the paid Excalidraw Plus	The SDK is source-available, not open source, and production use needs a licence Less structured than dedicated diagramming tools
Web application, Self-hosted	Web application
Open source	Closed source
License: MIT	License not stated
Not stated if an account is needed	Not stated if an account is 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 September 22, 2026

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