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tldraw vs WBO: catalog facts
tldraw	WBO
Freemium The whiteboard is free to use. The SDK requires a licence for production use.	Free Free and open source under the AGPL-3.0 licence.
Web	Web, Self-hosted
Instant, no-signup whiteboard that feels genuinely fast The same engine is available as an embeddable SDK	Real-time drawing for many simultaneous users Board state is persisted automatically
The SDK is source-available, not open source, and production use needs a licence Less structured than dedicated diagramming tools	Freehand whiteboard rather than a structured diagram editor Self-hosting needs a server with Docker or Node.js
Web application	Web application, Self-hosted
Closed source	Open source
License not stated	License: AGPL-3.0
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 October 2, 2026

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