LiveVideo is a social network and video broadcast platform that enables users to create and broadcast their own ‘LiveTV’ show, watch shows streaming from all over the world, upload videos and photos, create a blog, video chat, etc.

via Techcrunch.

Justin.tv is a social networking community and video broadcasting platform that enables viewers and broadcasters to interact and exchange ideas in real time through chat and live video. It is a destination site for broadcasting and watching live video online while chatting with friends.

via Techcrunch

Paltalk is a video chat service and community where members can watch video clips and discuss them simultaneously via video chat rooms

ooVoo is a video communication service that enables people to call and connect over the Internet. ooVoo’s video and audio service is available to anyone with a computer, broadband connection and a web camera, for real-time video calls with up to six friends, relatives and colleagues simultaneously.

The company also provides a video chat service that includes video conversation recording, telephony, video messaging, instant message chat and file sharing.