VirtualDJ - Virtual DJ Software - MP3 and Video mix software for DJs
AzuraCast - AzuraCast is a free and open-source self-hosted "web radio station in a box".
Mixxx - The most powerful free DJ software in the world.
Centova Cast - Centova Cast is the world's most advanced Internet radio stream hosting control panel.
Mixmeister - Create custom party mixes, burn CDs, or add special effects to MP3s with this line of DJ software for the novice and pro. Offers free trials and user community.
SAM Broadcaster - SAM Broadcaster is a professional computer-based internet radio broadcasting solution.