Here is my list of search engines, that I will keep updating. Hopefully at some point someone create a search engine that eliminates the need for Google.

Regular Search

Duck Duck Go – bing search with privacy
https://duckduckgo.com

Images

Giphy – great for searching animated gifs
http://giphy.com/

IXQuick – image search
https://ixquick.com/

TinEye – search for copyright images
https://tineye.com/

Knowledge

Wolfram|Alpha
https://www.wolframalpha.com/