Ask Jeeves

(http://www.askjeeves.com)
 

Debriefing

(http://www.debriefing.com)

• Dogpile

(http://www.dogpile.com/)
Sends queries to a customizible list of up to 25 search engines including: Yahoo!, Lycos' A2Z, Excite Guide, Go2.com, HotBot, PlanetSearch, Reference.com, Thunderstone, What U Seek, Magellan, Lycos, WebCrawler, InfoSeek, Excite & AltaVista. Also, Newswires, FTP and Usenet.

Inference Find

(http://www.inference.com/infind/)
 

 Internet Sleuth

(http://www.isleuth.com/)
 

Mamma

(http://www.mamma.com/)
 

MetaCrawler Searching

(http://metacrawler.cs.washington.edu/)
Sends search queries to several search engines including: Lycos, Infoseek, WebCrawler, Excite, Alta Vista and Yahoo, then normalizes and ranks results. Of special interest: using Power Search, allows user to limit by continents and by U.S. educational, commercial or government sites.
 

ProFusion

(http://www.profusion.com/)
 

SavvySearch

(http://www.savvysearch.com)
Queries several specialized search engines (such as shareware.com, Internet Movie Database) as well as web indexes (such as Alta Vista, Lycos) and web directories (such as Yahoo and EINET Galaxy). User can specify/limit by source (Web Indexes, People, Entertainment, Software) and by "type" of information (images, technical reports, academic).