Leverpresso - Lever-powered portable espresso machine
Auxy Music Studio - Auxy brings real music creation to iPhone in a simple and inspiring format.
Slayer Espresso Machines - Beautiful American crafted espresso machines
cassini - Polyphonic Synthesizer for iPhone/iPod touch
Timbuk2 Sabbatical Travel Kit - Everything you need to brew. Just add water.
zMors Modular - Full featured modular synthesizer for iOS