Compare software

Marginalia Search vs YaCy: catalog facts
Marginalia Search	YaCy
Free Free to use, with the index and crawler source published under the AGPL.	Free Free and open source software.
Web	Web, Self-hosted
Surfaces small, non-commercial and text-heavy websites Discovery tools for browsing beyond direct queries	Decentralized peer-to-peer web index with no central operator Can run as a private crawler or intranet search portal
Deliberately narrow index, not a replacement for a general search engine Small independent project with limited resources	Pre-compiled packages are not built regularly; compiling from source is recommended Peer-to-peer results are less complete than major web search engines
Web application	Downloadable app, Self-hosted
Open source	Open source
License: AGPL-3.0	License: GPL-2.0
No account needed	No account needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

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