yacy
YaCy is a free, open-source, peer-to-peer search engine that provides decentralized search results from a network of independent peers instead of a central server.
About
YaCy is a decentralized search engine built on a peer-to-peer network where each node contributes to crawling and indexing web content. Unlike traditional search engines, there’s no central authority—users control their data and can choose to share or keep indexes private. It’s d…