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Marginalia Search vs DuckDuckGo Search: catalog facts
Marginalia SearchDuckDuckGo Search
Free

Free to use, with the index and crawler source published under the AGPL.

Free

Free to use, supported by non-tracking ads.

Web Web, Browser extension
  • Surfaces small, non-commercial and text-heavy websites
  • Discovery tools for browsing beyond direct queries
  • No account needed and no search profiling
  • Easy to set as default in any browser
  • Deliberately narrow index, not a replacement for a general search engine
  • Small independent project with limited resources
  • Search service itself is closed source
  • Shows ads alongside results
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

Checked October 1, 2026

Checked September 23, 2026

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