Livetraker Audio Midi Player - LiveTraker is a audio / midi / text player specifically designed for live performance on stage
GSnap - With GSnap you can get an auto-tune effect.
Jingle Palette - Jingle Palette application was designed to be an instant jingle player for radio broadcast studios.
CrispyTuner - Fully featured vocal tuning suite.
Cue Player - Cue Player software for theater sound and lighting
Celemony Melodyne - Celemony Melodyne is the perfect quick and easy tool for all your tuning needs.