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SpeedyNoteLinwood Butterfly
Free

Free and open source under the GPL-3.0 licence.

 Free

Free and open source under the AGPL-3.0 licence.

Linux Linux, Android, Web
  • Pressure-sensitive ink for stylus input
  • Built to run on low-end hardware
  • Infinite canvas instead of fixed pages
  • Strokes and elements stay editable after placing them
  • Website is mainly in Chinese
  • Little public documentation of features
  • Freeform canvas suits handwriting more than structured text notes
  • Infinite canvas documents can be harder to navigate than linear notes
Downloadable app Downloadable app, Web application
Open source Open source
License: GPL-3.0-only License: AGPL-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 October 1, 2026

Checked October 1, 2026

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