AzuraCast - AzuraCast is a free and open-source self-hosted "web radio station in a box".
Rocket Broadcaster - Broadcast live to your internet radio station (Icecast, SHOUTcast, and more).
Centova Cast - Centova Cast is the world's most advanced Internet radio stream hosting control panel.
SHOUTcast Radio - SHOUTcast Radio is the home of free Internet Radio.
SAM Broadcaster - SAM Broadcaster is a professional computer-based internet radio broadcasting solution.
Live365 - 5,000+ online radio stations run by real people, not generated by computers.