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Linwood ButterflyInfiniPaint
Free

Free and open source under the AGPL-3.0 licence.

 Free

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

Linux, Android, Web Linux, Web
  • Infinite canvas instead of fixed pages
  • Strokes and elements stay editable after placing them
  • Truly unlimited zoom
  • Online lobbies for collaborative drawing
  • Freeform canvas suits handwriting more than structured text notes
  • Infinite canvas documents can be harder to navigate than linear notes
  • Web version may contain bugs
  • Requires a WebGL2 capable browser for the online version
Downloadable app, Web application Downloadable app, Web application
Open source Open source
License: AGPL-3.0 License: GPL-3.0-or-later
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Works offline

Checked October 1, 2026

Checked October 1, 2026

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