YaCy.

Decentralised peer-to-peer search engine without a central server

Facts

Ecosia
German search engine focused on sustainability
DE · commercial
↗
Lilo
French search engine that donates advertising revenue to social projects
FR · commercial
↗
MetaGer
German privacy search engine by SUMA-EV with anonymous proxy
DE · open-source
↗
Qwant
French search engine hosted in Europe
FR · commercial
↗
Right DAO
European search initiative focused on fair and transparent search results
DE · commercial
↗
SearXNG
Self-hostable meta search engine that combines results from multiple sources
DE · open-source
↗
Startpage
Dutch privacy search engine using Google results
NL · commercial
↗
Swisscows
Swiss privacy search engine with semantic recognition and no tracking
CH · commercial
↗