Search Engines

Search Engines
01.Bing
Second most popular search engine in the United States developed by Microsoft. 
02.Google
Preeminent search engine indexing billions of pages. 
03.Yahoo!
Widely used search engine powered by Bing. 
Meta Search Engines

04.Carrot2
Open source meta search, clustering, and search visualization engine. 
05.DuckDuckGo
Search service with a clean interface and an emphasis on user privacy. 
06.ixquick
Combines the top results of multiple engines--primarily Gigablast and Yandex. 
07.iSEEK
Clustering and meta search engine by Vantage Research. 
08.Yippy
Meta search and semantic clustering engine by Vivisimo. 
Academic Search Engines

09.BASE
Operated by Bielefeld University Library, BASE provides an index of over 100M documents. 
10.Instagrok
Innovative search service that surfaces key facts, relationships, and quizzes from results. 
11.RefSeek
Web and document search engine for students and researchers. 
12.ResearchGate
Search large volumes of self-published scientific research material. 
International Search Engines

13.Baidu
Leading search engine in China. 
14.Yandex
Russia's most popular search engine for web, news, and media.