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OpenBoard vs Microsoft Whiteboard: catalog facts
OpenBoard	Microsoft Whiteboard
Free The open-source software is available without a license fee. Hosting, hardware and…	Freemium Included with Microsoft 365 plans, which offer a free trial.
Windows, macOS, Linux	Web
Provides classroom-oriented drawing and presentation tools.	Infinite canvas for freeform drawing Real-time collaboration across devices
Official Linux packages target Debian, with other distributions relying on community builds.	Requires a Microsoft account Best suited to people already in Microsoft 365
Downloadable app	Web application
Open source	Closed source
License: GPL-3.0	License not stated
Not stated if an account is needed	Account 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.