Open Broadcast Encoder : open source advanced broadcast encoding | Video Breakthroughs | Scoop.it
From www.ob-encoder.com - May 1, 2011 1:15 PM

Redefining the way you encode VoD and Realtime content.

Designed from the ground-up to be flexible and scalable to handle all your VoD and Realtime (in development) needs. Compliant with all broadcast industry standards and practices.
Adaptable to fit a wide range of use-cases using only commodity hardware.

Fully open source. Powered by the x264 AVC encoder.

Open Broadcast Encoder Realtime 0.1 Alpha and Open Broadcast Encoder VoD 0.21 Beta available for testing :
http://code.google.com/p/open-broadcast-encoder/