Alexa Web Search - returns results from its own index accompanied by additional information including traffic ranking, number of links to page, ownership and links to related pages of interest
AllTheWeb - returns results quickly from an extremely large database gathered by the Yahoo crawler; offers multimedia and news searches; has a good advanced search interface
AltaVista - searches Web sites and Usenet newsgroups with advanced Boolean and field search options. See also Babel Fish, the AltaVista translation service.
AOL Search - engine that defaults to AND logic and offers an Options template for easy search construction; has an option to view results by popularity; offers a directory based on the Open Directory
Ask.com - general search engine enhanced by a number of specialty searches including a dictionary, thesaurus, currency converter, encyclopedia, maps, news and more (Site is a merging of the former search engines Ask Jeeves and Teoma)
BananaSlug - uses the Google search mechanism and seeds your search with a random word from the category of your choice to return unusual results
ChaCha - search engine that offers live human guides to help answer queries
Cuil - searches a very large index of Web pages and includes thumbnails of sites in its search results
Exalead - offers concept clustering of results, thumbnail images of retrieved sites, and customization options such as organization of results by file type, geography or modification date
Factbites - beta engine that searches for full topic matches and returns meaningful, full sentence excerpts of sites in its results list
Google - ranks pages by tracking the links links from pages ranked high by the service. Also check out EcoSmartSearch.com, a Google-powered search engine with a black background display that saves energy.
Google offers a number of Services that are worth exploring, including:
Google Blog Search, for searching blog entries
Google Book Search, for searching the full text of books from most publishers in the U.S.
Google Directory, for searching the Google version of the Open Directory
Google Scholar, offers the full text, abstracts, and/or citations to scholarly materials including books, journal articles, documents in academic repositories and the free Web. This link will allow you to access the full text of articles in journals to which the Libraries subscribe when you are off campus.
Google U.S. Government Search, a searchable database of U.S. government Web sites (.gov and .mil) ranked by link popularity
Searchmash Google's experimental general search tool
Hakia - accepts plain English queries; derives results from the Ask.com index
IceRocket - offers searches of the Web, blogs, and other sources, creates an RSS feed of search results, tracks search terms cited in blog postings, and offers a free RSS builder