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Linwood ButterflySpeedyNote
Free

Free and open source under the AGPL-3.0 licence.

 Free

Free and open source under the GPL-3.0 licence.

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