The fella who built the technology that Rosetta Interpreters is based on. He integrated ning and ether.com to create a clever little service.
A clever business built by Jeremy Rice on top of Ning and Ether.com. Literally genius. On demand translation services delivered over the phone. Find somebody online right now.
Social Engine is a white label PHP based social networking platform. You can implement your own plugins around their architecture. Basic costs $300 plus $290 for all the plugins ($30 or $40 each) as at June 2008.
KickApps is a white label social networking / video hosting platform. Free to sign up, ad supported, or you can buy the ads out, starting at $100/mth for 5'000 page views.
Ning products including removing their ads, their links, your own domain, and extra bandwidth. The full suite costs $33/month plus $10/month per 10Gb disk / 100Gb bandwidth.