LilyPond sheet music text editor
Mixxx is Free DJ software that gives you everything you need
Pattern language
RPG Maker 2000/2003 and EasyRPG games interpreter
Sample based piano virtual instrument
Effect Panel is a small software to play sounds on live performances
This is a graphical toolkit (GTK) for porting programs between OSes
Versatile algorithmic random music generation software written in Java
A Sysex OSC hex string generator for the X32/X-Air/Wing digital mixers
MIX Gravis UltraSound patches
music composition and notation software, audio to midi converter
Keyboard firmware for Atmel AVR and ARM controllers
Music score editor
Free music notation & composition software
MIDI software to play tones from the "overtone series"
Free open source DAW, MIDI sequencer, software synthesizers
Play MIDI songs on the Steam Controller
Real-time audio synthesis engine and music programming language
patch editor for the E-MU Proteus 2000 synthesizer family
Maestro is a Rethought Virtual Metronome
algorythmic music composer and MIDI controller