Dogpile also searches news services provided by Yahoo News Headlines, Excite News and Infoseek NewsWires. AltaVista, Excite, Infoseek, Lycos, Webcrawler, Yahoo. Librarian's Index to the Internet, LinkMonster, My Virtual Reference Desk, and Yahoo. To select more than one engine or tree in the window, hold down the key and click on the engines or trees to search. To search the other databases click on the categories on the left side of the page.
Filters results to remove duplicates and broken links.
AltaVista, Excite, Lycos, Infoseek, Webcrawler, Yahoo. Boolean searching is with buttons or symbols. MetaCrawler's power search allows narrowing by geographical location or educational, governmental or commercial sites. MetaCrawler has an interesting feature called Metaspy . Profusion claims to be able to analyze your search terms and pick the best three search engines .