MacAudioLab offers good Digital Performer 3 tutorials on Quicktime. If you want to learn the fast, fun, and interactive way, this is it! Cover topics such as soft synth integration, mastering, hardware controllers, and show it all through hours of quicktime videos. Up to date and fun.

Modularing (modular-ring) is a large collection of software to start from music creation to live performance. Build your own rack on Apple Macintosh with intuitive interface running like vintage modular system, full MIDI, with audio synthesizers, sampler, controllers and a lot of different sequencers… Modularing runs alone or in conjunction with ProTools and other existing recorders.

Audio Editor for Mac OS X

Audio-processing TDM plug-in.

Deejaysystem is a series of digital audio and video mixer applications designed to cover the needs of professional discjockeys/videojockeys during live or automated mixing sessions.

SONiVOX (formerly Sonic Implants) is a sample library company making sounds and virtual instruments for musicians and composers.

Makes Virtual synth and MIDI editors for Windows.

Business Productivity software for home or office. Previously known as CE software, they makes QuicKeys Automation software, Trans Lucy translucent DVD player, QuickConference instant messenging program, & In Out Tracker.

DJ Mixer Pro was developed by a small group of Programmers and DJ's. At DJMixerSoft.com, they create technology rich solutions that enable their customers to maximize their professional performance. All DJMixerSoft products have been developed by video/audio software engineers, in collaboration with professional DJs around the world.

Editor of Clarion a music utility which allows you to practice and be quizzed on your ability to recognize musical intervals.