Audio visualisation library
The X Jack Video Monitor
A feature packed DJ console and internet radio client for Linux users
Music Player Daemon SACD/DVD-A ISO decoder plugins
Extend abcm2ps to support direct generation of PNG, SVG and PDF files
graphical front-end for editing/transposing abc music files
Machine graph audio engine for computer games
a live MIDI sequencer for JACK
Free, easy to use, lightweight soundboard for Windows
Sangean ATS-909 PC Tools
An mpg123 frontend of sorts, put your mp3s on your LAN.
Featureful native Commodore 64 music tracker with MIDI/XM converter