PlayIt Live

PlayIt Live screenshots

Streams to SHOUTcast and Icecast servers via Internet Broadcast plugin
Main Interface
PlayIt Live 1.8 : Main Interface

Alternative downloads

DTS Play-Fi
Play-Fi for Windows lets you stream from any audio source on your PC.
You Play Free
Ideal assistant to send media to your video mixer.
RePlayer Live
The current project, Replayer, is a free and open-source media player.