Audacity - Audacity is a free and open-source audio production software suite that includes a surprising array of editing tools and recording systems.
TwistedWave - TwistedWave is one of the unique audio editors that allow you to edit your music file online without any installation.
Audio Recorder - ‘Audio Recorder’ is a small utility for recording audio.
Radium - Radium is a music editor with a new type of interface.
Audio Record Wizard - How to record streaming audio with the streaming audio recorder - Audio Record Wizard.
SoundEngine - Freeware audio editor/recorder