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Noteshelf vs Stylus Labs Write: catalog facts
Noteshelf	Stylus Labs Write
Freemium Free to download, with paid options and enterprise plans.	Free Open source and downloadable for all supported platforms.
macOS, iOS	Windows, macOS, Linux, Android, iOS
Realistic pens and many paper templates for handwriting PDF annotation with highlights and sticky notes	Insert space and erase text with paragraph reflow Bookmarks and handwritten links for navigating documents
Limited to Apple devices according to the homepage Best used with a stylus	Designed for pen input, less useful with mouse or keyboard License is not stated on the homepage
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: AGPL-3.0
Not stated if an account is 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 24, 2026

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