Directories & Portals

www.about.com
Hundreds of specialized mini-portals, compiled by subject experts. Great comprehensive guides on specific subjects.
www.dirline.nlm.nih.gov/
Directory of Health Organizations Online from the National Library of Medicine - over 10,000 organizations
www.dmoz.org
The Open Directory Project is the largest, most comprehensive human-edited directory of the Web.
www.infomine.ucr.edu
Compiled by a librarian, this site contains links to highly useful web resources including databases, electronic books, and journals
www.infospace.com
Everything from people finders to yellow pages to maps. A very handy reference site.
www.lycos.com
Similar to Yahoo. One of the earliest search and navigation sites, and one of the most visited on the web.
www.yahoo.com
Browsable and searchable hierarchical index of the internet, organized and evaluated by Yahoo staff. No longer just a directory, also includes auctions, shopping, chats, etc.