Mixxx is Free DJ software that gives you everything you need
The X Jack Video Monitor
Music Player Daemon SACD/DVD-A ISO decoder plugins
Specialized sound synthesizer with Byzantine Church music scales
it's a video player, also works for music and pictures
Polyphonic synthesizer LV2 plugin
Ballroom Music Player
Plays iMelody (IMY) files using many sound systems
Very simple MIDI Player of JSON files
"CommBusTerm"
A c++ public domain audio output class
"KMI Comm. Bus Mediator"
Additive Synthesizer
A simple and intuitive tool to improve live performances.
Open source embedded speech-to-text engine
Featureful native Commodore 64 music tracker with MIDI/XM converter
Meson Player is an (almost) invisible music player
Burns CD / DVD media.
GLSL shader prototyping tool based on Eclipse IDE.