"Trolltech's efforts to port Qt to the Cocoa API have been going on for some time, and we have progressed well so far," said Lars Knoll, Trolltech vice president of engineering, in a statement.

Clare’s I’m With Cocoa, available as a shirt or a poster, presents a stunning, hand-drawn image of Apple CEO Steve Jobs, while paying tribute to the the Cocoa API used to build much of OS X ...

They both have various APIs, and I've heard good things about a Cocoa API for Postgres, but what I really want is an implementation of the Cocoa controller objects.