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Microsoft Whiteboard vs WBO: catalog facts
Microsoft Whiteboard	WBO
Freemium Included with Microsoft 365 plans, which offer a free trial.	Free Free and open source under the AGPL-3.0 licence.
Web	Web, Self-hosted
Infinite canvas for freeform drawing Real-time collaboration across devices	Real-time drawing for many simultaneous users Board state is persisted automatically
Requires a Microsoft account Best suited to people already in Microsoft 365	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
Account 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 October 2, 2026

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