With Wii SiimpleSynth you can use your Wii Remote to make wacky synthesizer sounds just by moving around. It is Filter Modulation Synthesizer, which is controlled by the movement of the Wii Remote. It features two envelopes, preset storage, three trigger modes, and more! It is super versatile and loads of fun.
Mac OS X 10.4 or later, Bluetooth, Wii remote.