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Orion vs Nook: catalog facts
Orion	Nook
Free Free to download and use. The software is closed source.	Free Free and open source, supported through Open Collective.
macOS, Linux, iOS	macOS
It is the only WebKit browser that runs extensions from all three major stores, and it ships with…	Sidebar and spaces for organising tabs Runs both Chrome and Safari extensions
The browser is closed source, the extension compatibility layer does not work for every add-on, and it is…	macOS only Young project, recently reached version 1.0
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 1, 2026

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