Best Open Source Java Video Conferencing Software for Mac

VideoWhisper Live Streaming provides web based live video streaming (from webcam or similar sources).
Live Streaming key features:
+ 1 to many 1 way video streaming
+ Live chat for viewers
+ User list with online participants
+ Channel title
+ HTML embed code to publish video channel
+ P2P group streaming support
+ Session timer and control with scripts
+ 100% web based for clients
The php edition is the easiest choice to setup and run the Live Streaming application on a website.
Also to integrate with any php script or content management system that does not have a ready made integration, yet.
PHP Live Streaming Edition Highlights:
+ Create Live Video Channels
+ Broadcast Live Video from Browser
+ Share Channels Link/Embed Code
+ Limit Total Use Time by Channel
+ Simple Setup
+ Easy to Install
+ Full PHP Source Code
+ Easy to Integrate
Requires a RTMP hosting to setup rtmp side (see installation instructions).