free audio recorder

Audio Unit plug-in tuner.

Audio Units plug-in helps to train you to sing in key.

Audio Units plug-in software oscilloscope.

Audio spectrum analyzer and spectrograph app.

Audio file launcher for destructive editing.

Audio and video chat solution.

Audio editor/sequencer.

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