ShareTube - Watch YouTube, synced with friends.
Livestream - A video live streaming platform that allows it's customers to broadcast live video content...
Juicebox - Spectacular HTML5 Image Galleries Made Easy
YouNow - YouNow is a free social networking app that allows you to connect with other users via live video broadcast.
fflip - Discover new videos
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.