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Linwood ButterflySaber
Free

Free and open source under the AGPL-3.0 licence.

 Free

Free and open source.

Linux, Android, Web Windows, macOS, Linux, Android, iOS
  • Infinite canvas instead of fixed pages
  • Strokes and elements stay editable after placing them
  • Built specifically for handwriting and stylus input
  • Runs on Android, iOS, Windows, macOS and Linux
  • Freeform canvas suits handwriting more than structured text notes
  • Infinite canvas documents can be harder to navigate than linear notes
  • Focused on handwriting, less suited to typed notes
  • Best experience needs a device with a stylus
Downloadable app, Web application Downloadable app
Open source Open source
License: AGPL-3.0 License not stated
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 September 23, 2026

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