Ask Provides relevant search results by identifying the most authoritative sites on the Web. www.ask.com
AskKids Combines human editorial judgment, age-appropriate feature content and filtering technology to enable kids to find both relevant and befitting information on the Web. www.askkids.com
Google Search for Scholars Useful engine for scholars. You can search across many disciplines and sources: peer-reviewed papers, theses, books, abstracts and articles, from academic publishers, professional societies, preprint repositories, universities and other scholarly organizations. http://scholar.google.com
AllTheWeb Huge database. AlltheWeb's index (provided by Yahoo!) includes billions of web pages as well millions of PDF and MS Word® files. www.alltheweb.com
Alta Vista Large database; search results on AltaVista are powered by Yahoo! Search Technology. www.altavista.com
Lycos One of the oldest (since 1995) and most widely known. www.lycos.com
Excite Features comprehensive search tools; a popular Webmail platform and robust content and resources from over 100 leading providers. www.excite.com
WebCrawler Brings users the top search results from Google, Yahoo!, Windows Live, Ask and other popular search engines. www.webcrawler.com
SurfWax Designed to search for information and post, upload, share and manage information on or through the Site. Registered members of the Site gain access to certain additional functionalities to enhance a users experience on the Site. www.surfwax.com
MetaCrawler Uses innovative metasearch technology to search the Internet's top search engines, including Google, Yahoo! Search, MSN Search, Ask Jeeves, About, MIVA, LookSmart and more. www.metacrawler.com
Turbo10 An award winning metasearch engine and pay per click search advertising network based in the United Kingdom. www.turbo10.com
Dogpile Metasearch engine; searches multiple search engines, allowing better coverage of the Web, and therefore providing better overall results to the user. www.dogpile.com
Clusty For consumer web searchers, a part of Vivisimo. Clustering search tool; instead of delivering millions of search results in one long list, Clusty search engine groups similar results together into clusters. http://clusty.com
Vivisimo Delivers industry-leading search solutions; ideal for organizations and enterprises. http://vivisimo.com
BBC Family friendly search engine, based on Google search technology; results are clear, uncluttered, and commercial free. www.bbc.co.uk
ZapMeta Meta-search engine, simultaneously searches multiple search engines under one interface. Along with web search, currently offers a directory based on data from The Open Directory Project and Product Search powered by Pricegrabber. www.zapmeta.com
Directories are sorted out by human hand while in search engines results are determined by software; search engines look for data that will match keywords.
Directories are organized by subject where you can start searching with a general title and move towards more specific groups. Directories are convenient for researchers who approximately know what they are looking for but need some suggestions how to narrow their topics»
