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Marginalia Search vs Brave Search: catalog facts
Marginalia Search	Brave Search
Free Free to use, with the index and crawler source published under the AGPL.	Free Free to use in the browser.
Web	Web, Browser extension
Surfaces small, non-commercial and text-heavy websites Discovery tools for browsing beyond direct queries	Own independent index instead of proxying another engine No profiling of users
Deliberately narrow index, not a replacement for a general search engine Small independent project with limited resources	An independent index can have gaps compared with the largest engines AI answers can be inaccurate and should be checked
Web application	Web application, Browser extension
Open source	Closed source
License: AGPL-3.0	License not stated
No account needed	No account needed
Needs internet	Needs internet
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 23, 2026

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