These are the main popular search engine plz chk this::
Google - The world's most popular search engine.
Bing Bing Search: Microsoft's entry into the burgeoning search engine market. Better late than never.
Yahoo! Search Yahoo! Search: The 2nd largest search engine on the web (as defined by a September 2007 Nielsen Netratings report.
AltaVista AltaVista: Launched in 1995, built by researchers at Digital Equipment Corporation's Western Research Laboratory. From 1996 powered Yahoo! Search, since 2003 - Yahoo technology powers AltaVista.
Cuil Cuil: Cuil was a search engine website (pronounced as Cool) developed by a team of ex-Googlers and others from Altavista and IBM. Cuil, termed as the 'Google Killer' was launched in July, 2008 and claimed to be world’s largest search engine, indexing three times as many pages as Google and ten times that of MS. Now defunct.
Excite Excite: Now an Internet portal, was once one of the most recognized brands on the Internet. One of the famous 90's dotcoms.
Go.com Go.com: The Walt Disney Group's search engine is now also an entire portal. Family-friendly!
HotBot HotBot was one of the early Internet search engines (since 1996) launched by Wired Magazine. Now, just a front end for Ask.com and MSN.
AllTheWeb AllTheWeb: Search tool owned by Yahoo and using its database, but presenting results differently.
Galaxy Galaxy: More of a directory than a search engine. Launched in 1994, Galaxy was the first searchable Internet directory. Part of the Einet division at the MCC Research Consortium at the University of Texas, Austin
AOL Search search.aol: Now powered by Google. It is now official.
Live Search Live Search (formerly Windows Live Search and MSN Search) Microsoft's web search engine, designed to compete with Google and Yahoo!. Included as part of the Internet Explorer web browser.
Lycos Lycos: Initial focus was broadband entertainment content, still a top 5 Internet portal and the 13th largest online property according to Media Metrix.
Gigablast GigaBlast was developed by an ex-programmer from Infoseek. Gigablast supports nested boolean search logic using parenthesis and infix notation. A unique search engine, it indexes over 10 billion web pages.
Alexa Internet Alexa Internet: A subsidiary of Amazon known more for providing website traffic information. Search was provided by Google, then Live Search, now in-house applicaitons run their own search.