UVI Falcon - Sampler/synth hybrid instrument
QLab - QLab, Live show control for Mac OS X.
Pianoteq - Pianoteq is a virtual piano that runs on your computer.
Cue Player - Cue Player software for theater sound and lighting
LinuxSampler - LinuxSampler - free, open source pure software audio sampler with professional grade features.
MadMapper - The Mapping Software