Linux Show Player - Sound player designed for stage productions
Cue Player - Cue Player software for theater sound and lighting
QLab - QLab, Live show control for Mac OS X.
Sound Byte - Sound Byte is a computerized cart rack machine for the Windows and Macintosh - play mp3, WAVE, AIFF, and other sound files at the click of a mouse
MadMapper - The Mapping Software
Show Cue System - Show Cue Systems