Google Search is the most popular search engine. About 65% of searches go through Google. However, there are a lot of search engines out there that you should try out. There are plenty of ways to search the Internet and some of these engines have their own unique style. Below is a nice list of alternatives.
Dogpile – A metasearch engine that started in 1996
Cuil – Pronounced cool shows thumbnails with results launched in 2008
Searchme – Very nice and visual search engine check it out!
Scoopler – Another real time search engine
Lycos – Founded in 1994
Hakia – NLP based search engine
Gigablast – Real time retrieval
OneRiot – Real time search engine
AllTheWeb – Internet search engine that debuted in 1999
AltaVista – web search engine that is owned by Yahoo
Ask – Founded in 1996 and still going strong
Yahoo – Second largest search engine
Hotbot – One of the older search engines
Twine – Collaborate and share information using Twine
Wolfram Alpha – computational knowledge engine
Mamma – The Mother of all search engines