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Lorien vs Rnote: catalog facts
Lorien	Rnote
Free Free and open source under the MIT licence.	Free Free and open source, with optional sponsorship of the developer.
Windows, macOS, Linux	macOS, Linux
Infinite canvas for freeform sketching and notes Stroke-based storage keeps save files small	Pressure-sensitive stylus input with configurable strokes Imports and annotates PDFs and images
Not a bitmap painting program Deliberately limited feature set	Native file format is unstable between versions macOS builds come from a separate project
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License not stated
No account needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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