Traktor Pro!

Mixxx is a free & opensource MP3 DJ Mixing app.

With effects, samples, and transitions that rival vinyl turntablisms, Virtual DJ lets anyone produce polished MP3 mixes.

Serato DJ delivers all the features and performance to meet the demands of DJs at the top of their game and sets the new standard for controller DJs.

Mix, scratch, sample, record: rock great parties with top-DJ features.

djay gives you instant access to all your existing tracks and playlists from iTunes.

Deckadance is a DJ mixing application that works either as a standalone program OR as a VSTi inside your favourite host. Deckadance itself can also host any VST compliant softsynth or effect.

[You can still download last version of Pacemaker for Windows and Mac from Softonic: Windows -> http://pacemaker-editor.en.softonic.com/ | Mac -> http://pacemaker-editor.en.softonic.com/mac ]

xwax is open-source vinyl emulation software for Linux. It allows DJs and turntablists to playback digital audio files (MP3, Ogg Vorbis, FLAC, AAC and more), controlled using a normal pair of turntables via timecoded vinyls.

DJ Mixer Professional is the complete DJ mixing software solution for Windows. offering audio, video, and karaoke mixing ability. This ground breaking software is designed with rock-solid 4 DJ deck coupled with a powerful DJing tool offering visual effects and creative transitions. DJ Mixer Professional includes a lot of professional features, and over 80 hardware controller support, allowing you to mixing your music and video on the fly. With its cutting-edge beat-lock engine, your audio will always stay on the beat, and you can work your mixes incredibly faster than any other DJs. DJ Mixer Pro's innovative feature set, reliable mixing platform and easy-to-use interface will insure that you "Rock the House" every night. perfect automated beat matching, vinyl simulation, precise BPM counter, seamless live looping, smart sync between the 4 DJ decks, tempo shifting, smooth crossfades, KeyLock, sample decks, pitch shifting, external effects, crossfader curve, perceptual automatic-gain, iTunes browser integration, plus many more advanced features are all at your finger tips. It is best choice for club DJs, mobile DJs, video DJs and entertainer. Also great for Discos, Pubs, Restaurants, Night Clubs, and even Retail Stores as an automated music/video system. It is used around the world by bedroom DJs and professional superstars alike. »

itDj is a Commercial Dj software (with limited free trial) - (the trial download isn't apparent, on the website, it can be downloaded here: http://www.itdj.com/download ) itDj lets you beat-match, scratch and add effects to your music in iTunes and on your Mac. It works with your music in iTunes and includes powerful DJ effects, beautiful turntables and informative waveforms. itDJ has an auto-DJ feature which uses the built in beat-detection to automatically beat-match your music.

Internet DJ Console is a project started in March 2005 to provide a powerful yet easy to use source-client for individuals interested in streaming live radio shows over the Internet using Shoutcast or Icecast servers.

TerminatorX is a realtime audio synthesizer. This software allows scratching audio data (wav,ogg,mp3, etc.) the way hiphop-DJs scratch on vinyl records. It features multiple turntables, realtime LADSPA effects, a sequencer and MIDI interface. The software is available under the terms and conditions of the GNU GPL2

Scratch Live is a DJ solution that comprises of the Serato Scratch Live software, Serato Control and hardware from Rane.

tuna-player - Linux MP3 player able to modify the sound with Tuna.js API.