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RnoteSpeedyNote
Free

Free and open source, with optional sponsorship of the developer.

 Free

Free and open source under the GPL-3.0 licence.

macOS, Linux Linux
  • Pressure-sensitive stylus input with configurable strokes
  • Imports and annotates PDFs and images
  • Pressure-sensitive ink for stylus input
  • Built to run on low-end hardware
  • Native file format is unstable between versions
  • macOS builds come from a separate project
  • Website is mainly in Chinese
  • Little public documentation of features
Downloadable app Downloadable app
Open source Open source
License not stated License: GPL-3.0-only
No account needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked September 23, 2026

Checked October 1, 2026

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