Virtual MIDI controller for Linux, Windows and OSX
An advanced drum machine with pattern-based programming
Graphical editor software for many Boss and Roland effect & synth unit
MIDI libraries for Qt/C++
Qt-based Multimedia Player
Chromatic MIDI accordion with computer keyboard
Transforms any Jack client into a DSSI plugin
Music score editor
Free music notation & composition software
Graphical Soundfont Bank Management for Linux.
Loop based software with jack transport, record and midi controllable
free cross-platform music creation software
ZynAddSubFx and Yoshimi midi control
A graphical interface GUI for Fluidsynth Soundfont Player
A GUI Frontend for Linux chiptune emulator
Very Powerfull Crossplatform Qt Based Music Note Editor[Still Planing]