iEasyRecorder - iEasyRecorder is a powerful Mac audio recording program which allows you to record audio, sounds and music from any applications.
WaveShop - Open source audio editor
ScreenRec Streaming Video Recorder - ScreenRec is a free streaming recorder with audio that lets you capture hours of live video from any website.
TwistedWave - TwistedWave is one of the unique audio editors that allow you to edit your music file online without any installation.
MP3myMP3 - MP3myMP3 Recorder saves any audio you hear on your computer straight to mp3 or wav.
Radium - Radium is a music editor with a new type of interface.