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SearXNG vs YaCy: catalog facts
SearXNG	YaCy
Free Free and open source under the AGPL.	Free Free and open source software.
Web, Self-hosted	Web, Self-hosted
Aggregates dozens of engines, so results are not tied to one company's index Self-hosting keeps queries entirely under your control	Decentralized peer-to-peer web index with no central operator Can run as a private crawler or intranet search portal
Public instances can be rate limited or blocked by upstream engines Running your own instance is ongoing maintenance	Pre-compiled packages are not built regularly; compiling from source is recommended Peer-to-peer results are less complete than major web search engines
Self-hosted, Web application	Downloadable app, Self-hosted
Open source	Open source
License: AGPL-3.0	License: GPL-2.0
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 September 22, 2026	Official website Full listing and sources Checked October 2, 2026

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