drumbit - A very easy to use drum machine.
Ramsophone - A generative art/music machine. (Be sure to refresh!)
Remixlive - Remixer, beat maker and finger drumming instrument for iOS.
Generative Art in Go - Learn the basics of algorithmic art with the Go language
Hip-Hop Producer Pads - Hip-Hop Producer Pads is an elegant mobile app that works as a drum machine and helps you to create beats and rhythm right on your mobile devices.
Big Art - Discover street art