SHOUTcast Radio DSP plug-in!

icecast is free server software for streaming multimedia.It streams audio to listeners, and is compatible with Nullsoft's Shoutcast.

Nicecast makes it possible to broadcast music from any application or sound input on the Mac. Its got its own streaming server included which makes it easy to stream music through a LAN, but can also easily connect to shoutcast or icecast servers.Its got effects, mixers and the option to record broadcasts in several formats.

Rocket Broadcaster streams audio to Icecast, SHOUTcast, and most online streaming services, such as Airtime Pro, Radio.co, SHOUTcast.com, and RadioJar. It can record and broadcast all your desktop audio, including from Skype and Spotify, so you can seamlessly mix live interviews or call-in shows and other audio.