VCV Rack - A cross-platform modular synthesizer.
Linux Show Player - Sound player designed for stage productions
Pure Data - Pd (aka Pure Data) is a real-time graphical programming environment for audio, video, and graphical...
QLab - QLab, Live show control for Mac OS X.
miRack - Eurorack-style modular synthesizer for iOS.
Trigger Audio and Video Playback - Audio and video cue player for broadcast and live performance.