Google Groups - Google Groups allows you to create and participate in online forums and email-based groups with a rich experience for community conversations.

YouNow - YouNow is a free social networking app that allows you to connect with other users via live video broadcast.

DownToMeet - DownToMeet is a platform to organize, find, and attend group events.

Livestream - A video live streaming platform that allows it's customers to broadcast live video content...

Mighty Networks - Mighty Networks enables entrepreneurs, organizations, and companies to create and grow a community-powered brand.

Ustream - Since its original creation as a way for military members overseas to communicate with their families, Ustream has since developed into a fully featured and consistent competitor to worldwide live streaming and hosting services like YouTube Live.