YaCy is a unique search engine

YaCy is a unique search engine. It uses a decentralized approach to search, that is, it ranks the results at the level of each user node. This is its main difference from Google and other search engines, where ranking takes place on central servers.

Positive:

Requests are stored locally on the user's node, which ensures anonymity on the network.
There are no ads, and the search engine does not collect personal data.
Open source code — you can make changes, add the necessary functions.
There is no censorship, so more diverse information is available.
Sometimes you can find unique content that is missing from the index of other search engines.
Minuses:

Installation is required.
Slow work.
The output depends on the activity and number of users on the YaCy network. Therefore, for some queries, the answers may be incomplete or missing altogether.