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DuckDuckGo Search vs LibreY: catalog facts
DuckDuckGo Search	LibreY
Free Free to use, supported by non-tracking ads.	Free Free and open source.
Web, Browser extension	Web, Self-hosted
No account needed and no search profiling Easy to set as default in any browser	Works without JavaScript in the browser Docker and docker-compose files included
Search service itself is closed source Shows ads alongside results	Result quality depends on upstream engines Running your own instance needs a PHP-capable server
Web application, Browser extension	Web application, Self-hosted
Closed source	Open source
License not stated	License: AGPL-3.0
No account needed	No account needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

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