Compare software

InfiniPainttldraw
Free

Free and open source under the GPL-3.0-or-later, with optional donations.

 Freemium

The whiteboard is free to use. The SDK requires a licence for production use.

Linux, Web Web
  • Truly unlimited zoom
  • Online lobbies for collaborative drawing
  • Instant, no-signup whiteboard that feels genuinely fast
  • The same engine is available as an embeddable SDK
  • Web version may contain bugs
  • Requires a WebGL2 capable browser for the online version
  • The SDK is source-available, not open source, and production use needs a licence
  • Less structured than dedicated diagramming tools
Downloadable app, Web application Web application
Open source Closed source
License: GPL-3.0-or-later License not stated
Not stated if an account is needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked October 1, 2026

Checked September 22, 2026

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