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ExcalidrawZ vs tldraw: catalog facts
ExcalidrawZ	tldraw
Free Available on the App Store and as a direct download from GitHub.	Freemium The whiteboard is free to use. The SDK requires a licence for production use.
macOS, iOS	Web
Local-first file library with history and search Works with standard Excalidraw files	Instant, no-signup whiteboard that feels genuinely fast The same engine is available as an embeddable SDK
Apple platforms only License and pricing for optional AI features are not detailed	The SDK is source-available, not open source, and production use needs a licence Less structured than dedicated diagramming tools
Downloadable app	Web application
Closed source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 22, 2026

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