This project combines some open source projects and commercial plugins that can be downloaded and used in trial mode to start a social live streaming site. This project can be setup for free if compatible hosting is available.
Site pages and member management is based on WordPress & BuddyPress and live streaming on VideoWhisper.
All groups have a Live Stream tab where users can watch live video and chat realtime. Admins can broadcast anytime from Admin > Live Streaming.
Also groups have a Video Conference tab to the group, where users can video chat realtime in group room.
Download & Install
If CPanel with Fantastico is available web based installation should be easy and automated (install wordpress from Fantastico then look for the other plugins and install these from wordpress admin).
VideoWhisper provides managed turnkey RTMP hosting for the VideoWhisper plugins.