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Crest vs Nook: catalog facts
Crest	Nook
Free Free and open source under the MPL-2.0 licence.	Free Free and open source, supported through Open Collective.
macOS, iOS	macOS
Spaces isolate cookies, history, tabs and credentials per context Chromium and WebKit engines on Mac with per-site rules	Sidebar and spaces for organising tabs Runs both Chrome and Safari extensions
Early access software with no independent security audit Mac build is for Apple silicon only	macOS only Young project, recently reached version 1.0
Downloadable app	Downloadable app
Open source	Open source
License: MPL-2.0	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 October 2, 2026	Official website Full listing and sources Checked October 1, 2026

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