Mixxx - The most powerful free DJ software in the world.
Until AM - DJ in your browser with this SoundCloud music mixer
VirtualDJ - Virtual DJ Software - MP3 and Video mix software for DJs
Songlio - Free musical guessing game: race friends to name that tune
Traktor Pro - Flagship DJ software with four decks and a stunning range of creative features for maximum freedom in DJing.
Fretello Stage - Jam, record and share your music in the blink of an eye