Soundsource

SoundSource is a tiny tool for OS X enabling you to switch your audio input and output sources with a single click. And with the System setting, you can transfer system beeps to a secondary audio source so you won't be disturbed. Platforms: Mac

Piezo makes it a snap to record audio on your Mac. With just a few clicks, you can record audio from any application, or from audio input devices like microphones. Piezo requires almost no configuration, and it's a blast to use! Platforms: Mac

Listen to and record Internet and AM/FM radio from around the world on your schedule. Radioshift’s built-in guide provides over 100,000 listings for radio programs and stations, in all manner of audio formats. Listen in live in one convenient player. Even better, with one click, you can... Platforms: Mac

About Detour Allows you to send music from iTunes to your external speakers and keep the annoying beeps and blips of iChat going through your computer s built-in speaker. You can also change the volume of some applications relative to others. Make your email client s alerts quieter, and you ll... Platforms: Mac