Mac users interested in Linein 2.1 generally download:
Record any audio on your Mac by saving it from applications to the AIFF format. Burn the files to a CD and play them back in any audio player like iTunes or any hardware audio player like an iPod. The tool provides options to capture conversations from VoIP services including Skype, Google Talk, FaceTime.
Additional suggestions for Linein 2.1 by our robot:
LineIn enables the soft playthrough of audio from input devices.
LineIn...can use LineIn to play..." option, then LineIn is perfect
