QLab - QLab, Live show control for Mac OS X.
Soundplant - Play sound files with the computer keyboard
Cue Player - Cue Player software for theater sound and lighting
Linux Show Player - Sound player designed for stage productions
Open Stage Control - Libre and modular OSC / MIDI controller
Kontakt - With KONTAKT 6, you can sound like a snare drum, a symphony orchestra, or anything in between, from a universe of sampled instruments.