Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.
Auxy Music Studio - Auxy brings real music creation to iPhone in a simple and inspiring format.
GIMP - GIMP is a multiplatform photo manipulation tool.
cassini - Polyphonic Synthesizer for iPhone/iPod touch
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
zMors Modular - Full featured modular synthesizer for iOS