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ExcalidrawOpenBoard
Freemium

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

 Free

The open-source software is available without a license fee. Hosting, hardware and…

Web, Self-hosted Windows, macOS, Linux
  • The sketchy style keeps diagrams feeling provisional rather than final
  • End-to-end encrypted collaboration rooms, and self-hostable
  • Provides classroom-oriented drawing and presentation tools.
  • Not built for precise technical diagrams
  • Some team features belong to the paid Excalidraw Plus
  • Official Linux packages target Debian, with other distributions relying on community builds.
Web application, Self-hosted Downloadable app
Open source Open source
License: MIT License: GPL-3.0
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

Checked September 22, 2026

Checked September 22, 2026

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