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Nook vs Safari: catalog facts
Nook	Safari
Free Free and open source, supported through Open Collective.	Free Free to download and use. The software is closed source.
macOS	macOS
Sidebar and spaces for organising tabs Runs both Chrome and Safari extensions	Intelligent Tracking Prevention, iCloud tab and password sync, and unusually low battery use come from being built for…
macOS only Young project, recently reached version 1.0	It is proprietary and Apple-only, and its WebKit engine lags on some web platform features that Chromium ships…
Downloadable app	Downloadable app
Open source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 22, 2026

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