Generates a changing soundscape in realtime suggestive of timbres of water, fire, earth, and air. Freeware for Mac G3.

Li'l Miss' Scale Oven (LMSO), an ethnic and microtonal scale editor/synth retuner. Also DSP holophonics plug-ins.

Music player and DJ software with iTunes integration, recording, real-time collaborative mixing and support for multi-touch trackpads.

Software for editing and listening to Gregorian Chant.

Digital audio editor for OS X. Supports many different file formats and multi-track editing.

Utility for Mac OS 9 which allows synchronization of music from different iPods or any other source to computer.

Developers of MetaSynth, a composition and sound design program using a strictly visual interface, with customizable tunings and image synthesis.

Forum providing information for OS X users.

Freeware application uses Granular Synthesis to produce very diverse sounds based on a user provided sound file.

Article giving advice about using the EQ setting in iTunes to its full potential.