Rocket Broadcaster - Broadcast live to your internet radio station (Icecast, SHOUTcast, and more).
Airfoil - This software is from the Rogue Amoeba company, built to run on Mac and Windows platforms. It’s an audio-based software that allows the computers sound to play over a network device. Read more about Airfoil.
Stream What You Hear - Stream What You Hear.
SoundWire - SoundWire does audio mirroring (audio cast). You can use any music player on your PC or laptop like Spotify, YouTube, or iTunes and stream low-latency live sound over WiFi directly to your Android device.
butt - butt (broadcast using this tool) is a streaming tool for live audio data from your computers Mic or...
LadioCast - Free application that will allow you to broadcast music for IceCast with easy mixing.