Google (Results are ranked by relevance, supports Boolean search queries, and searches multiple file formats, including Microsoft Word documents, Adobe Acrobat files, webpages, etc.)
Alta Vista (search for sound, video and image files as well as webpages)
Alta Vista Espana (Alta Vista en espanol)
Yahoo! (good for general searches)
Yahooligans! (kid safe general search engine)
All the Web (super powerful search engine that allows users to set up filters, restrictions and other options to narrow their search)
Hotbot (user customizable search engine)
About.com (find in-depth information on over 50,000 topics; good place to start research projects)
Vivisimo (search results are categorized by this engine.)
Teoma Results are grouped by "results," (normal results); "refine," (suggestions for better results); and "resources" (links to authoritative websites on your search subject).
YupiMSN (Comprehensive Spanish language internet search engine by Microsoft)
FactMonster (children friendly web encyclopedia)
