Fair DJ is an Mserv-compatible music server designed to play music in a room with several users sharing a set of speakers.

DJ Jack is a free audio player suite for the JACK audio server and the GNOME desktop. Dj Jacks main goal is to provide a simple and powerful set of programs to professional DJs playing at parties and clubs.

BPM-DJ script combines Amarok with a great DJing tool called BPM-DJ. So if you want to play DJ with your collection, this could be one way:).

GDAM is a digital dj mixing software package. It aims to be a powerful, professional-quality music mixing and remixing system, suitable for live performance.

GRX is a library for 2D graphics, originaly written by Csaba Biegl for DJ Delories DOS port of the GCC compiler. Now it support DOS (using the DJGPP v2 compiler), Linux console, X11 and Win32 (using the Mingw compiler).

Mixxx is a digital DJ system, where ogg, wave and mp3 files can be mixed on a computer for use in live performances. Filters, crossfader, and speed control are provided. Mixxx is designed for DJing for both professional and semi-professional users.

libnjb is a C library and API for communicating with the Creative Nomad JukeBox and Dell DJ digital audio players under Linux, BSD, Mac OS X and Windows.

DBMix project is a DJ mixing system for digital audio. DBMix allows a user to output multiple simultaneous audio streams on a single sound device, and to transform/modify each stream independently.

UltraMixer is a DJ-Mixing-Software which enables you to mix digital music in various formats such as MP3, OGG, WAV, WMA or CDs in real time. All you need is a sound card.

BpmDj is a program that can be used to DJ. It works under Linux and plays Mp3s/Oggs. It has a fully automatic BPM counter. It can determine the sound color. BpmDJ project has a full fledged QT based interface.

UltraMixer is a DJ-Mixing-Software which enables you to mix digital music in various formats such as MP3, WMA, OGG, WAV or CDs in real time. All you need is a sound card. The DJ's turntables are replaced by two digital SoundPlayers.

GJay (Gtk+ DJ) generates playlists across a collection of music (ogg, mp3, wav) such that each song sounds good following the previous song.

Headphone is an amaroK script that offers a Dj-ing feature. You can send one or more songs from the playlist to the xmms - player. TODO: Configure the xmms - player to another soundcard or another channel of your soundcard.

Mp3mixer is a simple system to let you mix multiple mpeg audio streams in real time, with a view to copying the capabilities a DJ will have access to - but obviously without quite the same feedback.

BpmDj is a program that can be used to DJ. It works under Linux and plays Mp3s/Oggs. It has a fully automatic BPM counter. It can determine the sound color. BmpDj has a full fledged QT based interface.

Oolaboola is an opensource system for mixing sound files in real-time, while varying their rate of play, amplitude level, etc. In other words, Oolaboola is a digital DJ tool..

Funkyou is a solution for DJs that includes MP3 mixing, light controlling via an RS-232 or DMX interface, WAV samples, and a crossfader. It is designed for easy use, and can function optionally with a touchscreen.

MGRX project is a 2D graphics library derived from the GRX library. GRX was originaly written by Csaba Biegl for DJ Delories DOS port of the GCC compiler. MGRX supports four platforms: DOS (DJGPPv2), Linux console, Linux X11 and Win32 (Mingw).

mp3cue cuts an input MP3 file according to the information stored in a .cue file (for example multiple tracks of DJ mix), and writes the output to multiple MP3 files.

MadJACK is a MPEG audio deck for the Jack Audio Connection Kit with an OSC-based control interface. MadJACK was written as a backend for DJ music playback..