Mixxx

Open Source DJ SoftwareMixxx is an Open Source DJ package that provides you with everything you need to create live mixes without the need for any additional hardware. It offers a wide range of features that are suitable for amateurs and professional DJs alike. They include comprehensive MIDI controller support, vinyl control and emulation, multi-core CPU support, Multichannel soundcard support, parallel waveform displays, BPM detection and estimation, and more.You can cross-fade between 2 players, record your mix as WAV file, change the playback rate, apply Flanger effect and channel filters, and more. The interface can be skinned and supports full-screen mode (though the controls are non-resizable). Mixxx supports MP3, OGG, WAVE, and FLAC playback.