YaCy
Open Source
YaCy (ya see) is a free distributed search engine, built on principles of peer-to-peer (P2P) networks.
GoAccess
Open Source
GoAccess is an open source real-time web log analyzer and interactive viewer that runs in a terminal in *nix systems or through your browser.
Searx
Open Source
searx is a privacy-respecting, hackable metasearch engine.
Compare Yandex.Search with alternatives
Compare Searx and Yandex.Search and decide which is most suitable for you.
Compare GoAccess and Yandex.Search and decide which is most suitable for you.