These sites do not crawl the web themselves to build an index. Instead they allow searches to be sent to several search engines all at once. The results are then unified. They may either present results from each engine one after the other (parallel search), or blend them, removing duplicates.
Related categories 2
Combined results from Google, Bing and Yahoo! Special search for recipes and reviews.
Search results clustering engine pulling data from a meta-search engine, Bing, Wikipedia and other sources. Also provides visual representations of the clusters.
InfoSpace metasearch engine offering search of the general web, or images, audio, video and news. Also offers search of Yellow Pages and White Pages.
Combined results from Google, Yahoo, Live and Altavista. The results of the different search engines are also listed for comparison. Offers local search for business.
Metasearch engine and a directory with regional sections.
A web search mashup that combines user personalized search results from the leading search engines (Google, Yahoo! Search and Bing) and social bookmarking sites (del.icio.us).
Metasearch service with optional thumbshots and quick look function in many languages.
Results - including sponsored ones - from the major search engines are combined. An Infospace product.
Results from the major search engines and pay-per-click directories. The research tab provides results from online encyclopedias.
Results are from a compilation of authoritative resources from university, government, and established non-commercial providers.
Combines the top ten results from multiple search engines. It does not store users' personal details or IP addresses and it uses SSL. Also provides an international phone directory.
Metasearch tool for web, news, image, video and Twitter search. The results of each search are displayed in separate tabs.
Offers Russian, world, FTP, and MP3/video search.
Offers search results combined from Google, Yahoo!, Bing and Ask.
OpenText Federated Query Server
Web search to demonstrate how this search solution can unify access to several information sources, clustering by site, by content, or both.
Provides web, images, mp3, jobs, and news search in 6 different languages.
Combined results from Google, Yahoo, Bing, and OneRiot, enhanced with user feedback.
Options include choice between top and all engines, sorting by relevance, source, or title.
Meta-search engine that provides real-time page summaries - 'site snaps'. Those who open free accounts can select from a list of hundreds of search sources, and save and share what they find.
InfoSpace product offering combined results from Google, Yahoo!, Bing, and Ask. Searches the Web or only images, video, and news. Also offers white pages, and yellow pages.
Combined results from a number of sources organized into clusters, with option to separate the results according to sources. Formerly known as Clusty.
Results from the three major search engines in a graphic format showing their relevance according to the different search engines.
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