Audacity is a free opensource audio editor utility which also cross platform.

Transpose is a CRM solution.

Virtual Audio Cable is a WDM multimedia driver that allows a user to transfer audio streams from one application to another.

Audiograbber is a software to grab digital audio from CDs.

MP3myMP3 is an MP# sound recorder.

Traverso DAW is a cross-platform multitrack audio recording and audio editing suite with support for CD mastering and non-linear processing.

mp3DirectCut is a lossless editor for MP3 (and to a degree, MP2 and AAC) audio files, able to provide cuts and crops, copy and paste, gain and fades to audio …

VB-CABLE is an easy to use audio device driver working as a Virtual Audio Cable.

aTube Catcher is one of a growing number of tools that download videos from the likes of YouTube, Dailymotion and Metacafe.

Call Recorder records Skype audio and video calls directly to your Mac.

Ohm Studio is the first real-time collaborative pro DAW.

Harrison Mixbus is a digital audio workstation (DAW) software.