Pandorita is a native Cocoa interface for the personalized web radio pandora (http://www.pandora.com).
It uses pianolib as its core (http://github.com/PromyLOPh/pianobar/).
The sourcecode can be downloaded at https://github.com/coneill-math/Pandorita or http://coneill-math.github.io/Pandorita/