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WBO vs tldraw: catalog facts
WBO	tldraw
Free Free and open source under the AGPL-3.0 licence.	Freemium The whiteboard is free to use. The SDK requires a licence for production use.
Web, Self-hosted	Web
Real-time drawing for many simultaneous users Board state is persisted automatically	Instant, no-signup whiteboard that feels genuinely fast The same engine is available as an embeddable SDK
Freehand whiteboard rather than a structured diagram editor Self-hosting needs a server with Docker or Node.js	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: AGPL-3.0	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 October 2, 2026	Official website Full listing and sources Checked September 22, 2026

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