Mixxx - The most powerful free DJ software in the world.
Keezy Drummer - Make a beat in seconds
VirtualDJ - Virtual DJ Software - MP3 and Video mix software for DJs
Sampulator - Make (and record) beats on your keyboard
Traktor Pro - Flagship DJ software with four decks and a stunning range of creative features for maximum freedom in DJing.
Auxy Music Studio - Auxy brings real music creation to iPhone in a simple and inspiring format.