DuckDuckGo
Free
DuckDuckGo is a privacy focused search engine.
Bubblehunt
Free
Bubblehunt is search platform, where you can create own search system.
Disconnect Search
Open Source
Disconnect lets you search privately. Prevent search engines from tracking your searches.
Compare Yahoo! Search with alternatives
Compare DuckDuckGo and Yahoo! Search and decide which is most suitable for you.
Compare Disconnect Search and Yahoo! Search and decide which is most suitable for you.
Compare Bubblehunt and Yahoo! Search and decide which is most suitable for you.