Here is a list a list of independent search engines that doesn’t gather their data from another one.

Google
Bing
BaiDu
Youdao
Ask
exalead.com/search
gigablast.com/
Lycos
Mojeek
Sogou
Soso
Yandex
Youdao
BIGLOBE
fireball.com
https://www.goo.ne.jp/
http://leit.is/
Miner.hu
Najdi.si
naver.com
pipilika.com
rambler.ru
rediff.com
sapo.pt
seznam.cz
search.ch