What are some alternatives?
When comparing Mixxx and Cross DJ, you can also consider the following products
Mixmeister - Create custom party mixes, burn CDs, or add special effects to MP3s with this line of DJ software for the novice and pro. Offers free trials and user community.
Traktor Pro - Flagship DJ software with four decks and a stunning range of creative features for maximum freedom in DJing.
DJ Mixer Pro - DJ Mixer Professional is the best DJ mixing software for Mac and Windows, Support audio, karaoke and video mixing, automatic DJ mixing, one-click beat-matching, etc.
VirtualDJ - Virtual DJ Software - MP3 and Video mix software for DJs
Deckadance - Deckadance is a DJ mixing application that works either as a standalone program OR as a VSTi inside...
Djay - djay gives you instant access to all your existing tracks and playlists from iTunes.