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Rnote vs Saber: catalog facts
Rnote	Saber
Free Free and open source, with optional sponsorship of the developer.	Free Free and open source.
macOS, Linux	Windows, macOS, Linux, Android, iOS
Pressure-sensitive stylus input with configurable strokes Imports and annotates PDFs and images	Built specifically for handwriting and stylus input Runs on Android, iOS, Windows, macOS and Linux
Native file format is unstable between versions macOS builds come from a separate project	Focused on handwriting, less suited to typed notes Best experience needs a device with a stylus
Downloadable app	Downloadable app
Open source	Open source
License not stated	License not stated
No account needed	Not stated if an account is needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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