"Vizster is an interactive visualization tool for online social networks, allowing exploration of the community structure of social networking services such as friendster.com, tribe.net, and orkut."
"Wakoopa tracks what kind of software or games you use, and lets you create your own software profile. Ready for you to share with the world. Why? Because what you use on your desktop is who you are!"
"XFN™ (XHTML Friends Network) is a simple way to represent human relationships using hyperlinks.... XFN enables web authors to indicate their relationship(s) to the people in their blogrolls simply by adding a 'rel' attribute to their <a href> tags,..."
"The Appleseed Project is an effort to create open source Social Networking software that is based on a distributed model. For instance, a profile on one Appleseed website could "friend" a profile on another Appleseed website, and the two profiles could i