List of Search Engines:

Ask.com Multilingual Google United States
Baidu Chinese Baidu China
Brave Search Multilingual Brave United States
Dogpile English Metasearch engine
DuckDuckGo Multilingual Multiple, including Microsoft Bing United States
Ecosia Multilingual Google and Microsoft Bing United States
Elasticsearch Multilingual Apache 2.0 until 2021, then Elasticsearch
Exalead Multilingual Cloudview France
Excite† Multilingual Microsoft Bing United States
Gigablast English Apache License 2.0
Google Multilingual Google United States
HotBot English Microsoft Bing United States
Kagi English Metasearch engine and Kagi Inc United States