A cross-platform port of Hexen II game.
Qt-based Multimedia Player
Plays iMelody (IMY) files using many sound systems
audio sequencer
LiVES is a Video Editing System. It is designed to be simple to use, y
music composition and notation software, audio to midi converter
Keyboard firmware for Atmel AVR and ARM controllers
Play midi files via external midi devices or soft synth.
A free karaoke player for Linux and BSD
Very Powerfull Crossplatform Qt Based Music Note Editor[Still Planing]