Audio Hijack (was Audio Hijack Pro) is an audio-recording tool that can capture any audio from applications like Skype and iTunes. It can also record from microphones or any other source that runs through your Mac.
The user interface, not too dissimilar to iTunes, is clean and simple, featuring two-panes from where you can capture audio from the usual applications like Skype, iTunes, iChat and QuickTime Player. In the pane situated on the right of your screen you can configure an array of settings, which include recording schedules, tags and a large selection of sound effects.
One handy feature that will appeal to most people is the one-touch recording feature for iChat and Skype conversations. Although you can't edit audio using Audio Hijack, you'll certainly to be able to capture audio from multiple sources quickly and easily, making this an excellent audio-recording application.
Major Enhancement: The Broadcast block now offers presets for MP3 and AAC streaming, as well as fully customizable setups via the powerful new advanced encoding options.
Critical Bug Fix: Block presets will again save for all relevant blocks and all users.
Enhancement: Various interface improvements have been made, including properly Retina-izing the tag icon seen in the Broadcast block's popover.
Bug Fix: A rare issue where crackly AAC streaming could occur due to sample rate issues has been corrected.