TouchOSC - Modular OSC and MIDI control surface for iPhone / iPod Touch / iPad / Android
Linux Show Player - Sound player designed for stage productions
Open Stage Control - Libre and modular OSC / MIDI controller
QLab - QLab, Live show control for Mac OS X.
LIVKONTROL - LK is a touchscreen Ableton Live and MIDI controller app for iOS and Android tablet and mobile devices.
Trigger Audio and Video Playback - Audio and video cue player for broadcast and live performance.