Northern Light Indexes the full text of Web pages. Scour.net Multimedia search engine that specializes in retrieving audio, video, and image files. A searchable subject directory that indexes Web pages, news, maps, ads, stock quotes, sports scores, online businesses, phone numbers, and email addresses. This is not a true search engine, but we list it here nonetheless as it one of the oldest, best known, and comprehensive indexes on the Net. They are especially useful when searching an obscure topic as they retrieve as many documents as possible with one search.
ProFusion Offers an option to choose the three best search engines to support a query.
It removes duplicates. Another site summarizing the differences between these search tools is the University of California at Berkeley's Internet Search Tools Details page. An exhaustive list of Internet search tools and utilities is available at the Library of Congress' Internet Search Tools page . Use this extended list of tools when the above have not been effective. Send comments .