Free
Soundflower
Audio routing solution for Mac
Analyze audio frequencies with SignalSpy
SignalSpy allows users to analyze audio frequencies in real time using recording studio quality oscilloscope technology. The application can be used in a wide variety of settings reliably analyses a wide variety of sample rates. SignalSpy is especially useful for audio professionals.
One for those who are all about that base
Cool Tool for Music Makers
Ecoute: A Free Audio App for Mac
Integrate Your Soundbrenner Pulse
Watch camcorder MPEG2 clips on your Mac
A free tool for isolating audio sections and repeating them
Cool Tool for Audio Lovers
Simple audio recording and editing
Simple and Efficient Media Player for Mac
Flexible Audio Recorder for Personal and Professional Use
Fully integrated sound controller for personal computers