TouchOSC - Modular OSC and MIDI control surface for iPhone / iPod Touch / iPad / Android
QLab - QLab, Live show control for Mac OS X.
Open Stage Control - Libre and modular OSC / MIDI controller
Cue Player - Cue Player software for theater sound and lighting
LIVKONTROL - LK is a touchscreen Ableton Live and MIDI controller app for iOS and Android tablet and mobile devices.
MadMapper - The Mapping Software