audio editing

Audio Units plug-in software oscilloscope.

Audio recorder and editor with built-in effects.

Audio spectrum analyzer and spectrograph app.

Audio and video chat solution.

Audio editor/sequencer.

Audio editor, manager & recorder.

Audio tool for live electronic music performance, composition and sound design.

Audio player for live-assist/automated radio.

Audio transcription player for Mac OS X with support for foot pedal control

Audio visualization utility for Flash.