Alternatives to Google Search
Sebastiano LicciardelloWorks on MicroG?
No.. You can use it if want from your browser...
Open Source
DuckDuckGo
DuckDuckGo is an Internet privacy company that empowers you to seamlessly take control of your personal information online, without any tradeoffs.
Apps are Open Source, not the search engine..
Closed Source
Qwant
Qwant is a European web search engine, launched in July 2013 and operated from Paris. It is the only EU-based search engine with its own indexing engine. It claims not to employ user tracking and doesn't personalize search results in order to avoid trapping users in a filter bubble. It is available in 13 languages.