Web search engines each produce different results via different operators from the specific set of pages each has indexed. Consult the search criteria for each engine you select; see Internet Searching: Guides and References and Boolean and Proximity Searching for further detail. Use the FAST Website PicoSearcher to find material in the FAST directories, the Directory Lookup page for specific sources and the FAST Glossary Center for terminology searches.

General Search Engines

• 'Google', the Google Web Directory and Google Scholar Search
• The Microsoft Bing searcher and the Kosmix Multimedia Content Aggregator
• Ask.com (includes former 'Teoma'), AltaVista, A9 and the 'alltheweb.com' Searcher
• The YAHOO and HotBot Searchers and the MelZoo Split-screen Searcher
• The Open Directory Project

Audio, Video and Graphics-Search Engines

• Yahoo Video Searcher
• Blinkx News Video Searcher
• YouTube Video Archive
• Public Broadcasting System (PBS) OnLine
• IxQuick Metasearcher (text, music & images)

'Meta-Search' Engines (combine several engines for a single search)

• Mamma Metasearcher: 'The Mother of all Search Engines ...' and Webcrawler
• Metacrawler and the Dogpile Metasearcher
• The Ilectric Information Portal Metasearcher
• The Kartoo and 'Clusty' (formerly 'Vivisimo') 'relationship' searchers
• Pandia Search Central (Norway)
• CNET Inc.'s 'Search.Com' Service

Academic, PDF, UseNet and Other Specialized Search Tools

• Google Scholar Search
• Elsevier 'Scirus' Scientific Information and Terminology Search Engine
• 'Search Systems' Free Public Records Searchable Databases
• IBiblio.org Public Domain Archives Searcher

Search Engine Tips, News and Evaluations

• Web Search Engine FAQs: Questions, Answers, and Issues (Price)
• SearchEngineWatch.com