Refdesk.com - A one-stop site for all things Internet including news, weather, sports, reference, encyclopedia (50 areas), facts on file, FAQs, tutorials, search engines, Win95, free stuff, and games. Includes over 20,000 links.
ReferenceDesk.org - A large categorized collection of reference links to over 600 different sites.
Trussel's EclectiCity - Links cataloged in the form of on-line publishing: stories, articles, dictionaries, bibliographies, song-lists, word-lists, phone-lists, translations...
Virtual Learning Resources Center - Search a collection of resources recommended by librarians and educators. Select from subject specific databases or general web sites, news sources, or electronic text archives.