Miscellaneous Web Portals
Ning - "Ning is the easiest way to create your own social
web apps on the Internet today. And it's free!" (66 visits)
http://www.ning.com/
Protopage - (70 visits)
http://www.protopage.com/
YubNub - "a (social) command line for the web" (64 visits)
http://www.yubnub.org/