Mixxx - The most powerful free DJ software in the world.
ODJO - DJ music mixer. play, mix, record & share
VirtualDJ - Virtual DJ Software - MP3 and Video mix software for DJs
BeDJ - Marketplace of detailed mixing instructions to DJ sets
Traktor Pro - Flagship DJ software with four decks and a stunning range of creative features for maximum freedom in DJing.
Playlistify - Make Spotify playlists from 1001tracklists & setlist.fm sets