Search engines

Excite
provides full-text searching of some 50 million Web pages, recent Usenet postings, or selected news stories.

HotBot
Searches "over 50 million documents in its database." Bills itself as the "The Private Search Engine".

Internet Sleuth
Features a large collection of specialized search engines (State, City directories, Colleges)

Lycos
Offers searching of some 51 million Web page texts, graphics, and audio.

Metacrawler
Allows simultaneous searching of multiple search engines.

OAIster Database (Open Access)
Oalster is a rich collection of open access materials.  Use this link to search only items in this database.  More than 2,000+ organizations have contributed to it.  Started by the Univ. of Michigan.

Virtual Search Engines
Organizes over 750 specific search engines into useful categories.