AudioMulch Interactive Music Studio. Real-time sound synthesis and audio processing software usable as an audio effects processor or a complete music composition and performance system. AudioMulch contains many audio synthesis and processing modules and may also be used to host VST plugins.

Freeware plug-in and virtual instrument for Mac

Makes SIDPLAY, a Commodore 64 music player for Mac OS X

Glitch Sequencer is a free cellular automaton based MIDI sequencer for the PC and Mac.

Live performance companion to ReBirth 2.01 . Working PROTOTYPE Mac and PC.

TuxGuitar Official Web Site.

Algorithmic VSTI music sytems by H.G. Fortune

Cochleor offers audio software such as Harmony Improvisator (Harmonic MIDI sequencer) and Visual Vox (pitch correction from polyphonic audio material).

Official website of the virtual loopstation Ambiloop

Editor of Net Tunes the ultimate iTunes remote control solution for networked users.