Compare software

Microsoft WhiteboardExcalidraw
Freemium

Included with Microsoft 365 plans, which offer a free trial.

 Freemium

The editor is free and open source. Excalidraw Plus is a paid subscription.

Web Web, Self-hosted
  • Infinite canvas for freeform drawing
  • Real-time collaboration across devices
  • The sketchy style keeps diagrams feeling provisional rather than final
  • End-to-end encrypted collaboration rooms, and self-hostable
  • Requires a Microsoft account
  • Best suited to people already in Microsoft 365
  • Not built for precise technical diagrams
  • Some team features belong to the paid Excalidraw Plus
Web application Web application, Self-hosted
Closed source Open source
License not stated License: MIT
Account needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked October 2, 2026

Checked September 22, 2026

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