Stream What You Hear - Stream What You Hear.
Rocket Broadcaster - Broadcast live to your internet radio station (Icecast, SHOUTcast, and more).
LadioCast - Free application that will allow you to broadcast music for IceCast with easy mixing.
SHOUTcast Radio - SHOUTcast Radio is the home of free Internet Radio.
Icecast - icecast is free server software for streaming multimedia.
Wohooo.net - Create Your Own Online Radio Station