Mixxx is a digital DJ Systems, where wave, Ogg,FLAC and MP3 files can be mixed on computer for used in live performances, Filters, crossfader and speed control are provided. Mixxx can sync 2 streams automatically, using an algorithm to detect the beat.Mixxx works with Jack or OSS and can be controlled from the GUI or from external controller including MIDI devices and joysticks and also support skins.
You can instal via ppa on Ubuntu 10.04 (Lucid) and 10.10 (Maverick) or Ubuntu 11.10.
Open a terminal, and enter:
sudo add-apt-repository ppa:mixxx/mixxx
sudo apt-get update
sudo apt-get install mixxx libportaudio2
This will install the latest version of Mixxx from the Mixxx PPA on Launchpad.
Visit the official site here: http://www.mixxx.org