Serato Scratch Live!

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.

Traktor Pro, offers seamless looping, effects, automatic beat-gridding of tracks, advanced beat detection and Sync Lock for automatic synchronization of tracks, a 4-channel mixer, emulating the Xone:92 4-band EQ and filters by Allen & Heath and three other equalizer models, real-time track management with incremental search, artwork browsing, iPod and iTunes compatibility, automatic gain control, integrated recorder supporting internal and external audio input, support for multiple MIDI controllers and advanced MIDI assignments, as well as the syncing of external gear through MIDI clock functionality. »

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.

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.

The online DJ app to mix SoundCloud music and Youtube videos for FREE! Powered by the iWeb DJ mixer, SoundCloud and Youtube.

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. »

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

Until AM is an online DJ tool featuring virtual turntables with scratching and live effects.

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