ZeusDraw and Shades are Universal Binaries (Intel or PPC). ZeusDraw requires Mac OS X 10.4 or higer and Shades requires Mac OS X 10.3.9 or higher.
ZeusDraw Mobile our new drawing program for the iPhone/iPod touch is now available from the iTunes App Store.
Orfeo is a chromatic tuner and metronome for the iPhone/iPod touch. Check it out in the App Store.