You'll buy Loopback for one job, and then keep finding more uses for this sound routing app for your Mac. There are reasons why musicians choose Macs instead of PCs and Loopback 1.1.5 is one of them.

Loopback’s idea is simple, as is its interface: Any time you have an option for a single audio input (for example, Skype’s Audio/Video preferences or GarageBand’s live-recording option), you can use a ...