SFX / Stage Research
http://www.stageresearch.com
Stage Research's SFX™ is a specifically designed software program that provides power and flexibility much more than traditional playback equipment. Essentially, it makes your job as a sound designer much simpler and easier.
Medialon
http://www.medialon.com
MEDIALON Manager is a software system which can control and synchronize Digital audio & video, lighting dimmers and desks, matrix switcher, image processors, videowalls, lasers, fireworks, special effects, etc., all over one network. It offers frame accurate synchronization, even on Digital video, DMX acquisition and editing, multitasking and permanent device position tracking to free your creativity. Its graphical programming and customizable user interface adapts to your exact needs.
SAMSC
http://www.rfbl.demon.co.uk/
SAMSC is automated and manual show control software for theaters, Rock and Roll, installations and multimedia.
The software runs on Macintosh PowerPC computers with system 8.5 or greater.