Metasearch Engines

List of search engines that search multiple other search engines at once and return the results.

Resources in this category:

Clusty
http://clusty.com/

A metasearch engine that provides clustered search results. It searches Ask.com, Gigablast, MSN, NY Times, Open Directory, Shopzilla, Wikipedia, Wisenut, Yahoo!, and its sponsored listings.

Dogpile
http://www.dogpile.com/

Dopile takes "the best results from the Internet's top search engines, including Google, Yahoo! Search, MSN, Ask.com, About, MIVA, LookSmart and more," removes duplicates and analyzes the results, putting the best results first.

Don Busca
http://www.donbusca.com/

Doc Busca searches other search engines (such as 7search, About, AOL, Ask, Dmoz, Epilot, FindWhat, MSN, Netscape, Overture, Wisenut, and Yahoo) and provides clustered results, a list of the most relevant results, and a list of related categories in its own directory.

Fazzle
http://www.fazzle.com/

Searches many of the major search engines (Altavista, Teoma, WiseNut, MSN, LookSmart, Yahoo, ThunderStone, Dmoz, and Netscape) and provides users with many additional search options and features through the "Personalize Me" link available after searching.

iBoogie
http://www.iboogie.com/

Metasearch engine that clusters related results from search queries together. Also provides links to related subject headings from its directory with the search results.

Ixquick Metasearch
http://ixquick.com/

Providing relevancy ranking for each result, personalized settings, and an international phone directory, this metasearch engine boasts itself as more powerful than other search engines. It searches AltaVista/AllTheWeb, Go, Overture, Ask Jeeves/Teoma, MSN, Wikipedia, EntireWeb, Netscape, WiseNut, Gigablast, Open Directory and Yahoo.

Kart00
http://www.kartoo.com/

Macromedia flash is required to use this metasearch and clustered results search engine. Results are represented in a graphical display with curved lines connecting related documents and/or clustered topics.

KillerInfo
http://www.killerinfo.com/

Lists search results, sometimes with a lot of text from the site given with the result, and has a side navigation bar providing clustered topics that can be expanded by hitting the plus signs next to the topics.

Mamma
http://www.mamma.com/

One of the early metasearch engines, Mamma searches Google, Ask.com, Gigablast, and more, and it also lets you e-mail your results and offers links to searches on related terms and phrases for narrowing down your search.

ZapMeta
http://www.zapmeta.com/

This metasearch engine searches AOL, Yahoo, Wisenut, Google (but not by default), Ask.com, and Yahoo! Results can quickly be sorted by relevant (default), popularity, source, or domain.