Mixxx
Dec 27, 2015 - v1.10.1.5Audio
OMMPC
Dec 27, 2015 - v0.5.4.0Audio
MuseScore
Dec 27, 2015 - v1.3.0.2Audio/Midi
MusE
Unrated.
Dec 25, 2015 - v2.2.1.3Audio
Horgand
Unrated.
Dec 25, 2015 - v1.1.4.2Audio/Midi
xjadeo
Unrated.
Oct 20, 2015 - v0.8.4.0Audio
vgmplayer
Sep 7, 2015 - v0.40.6.1Audio/Player
LMMS
Apr 12, 2015 - v1.1.3.1Audio/Midi
Gnome Music Player Client
Unrated.
Jan 10, 2015 - v11.8.1.1Audio/Player
Tomahawk
Dec 23, 2014 - v0.9.0.2Audio/Player
Non Mixer
Unrated.
Nov 23, 2014 - v1.2.0.5Audio
BlindPlayer
Nov 17, 2014 - v0.1.0.1Audio/Player
Audacious
Oct 22, 2014 - v3.2.4.3Audio/Player
RetroRadio
Jul 26, 2014 - v1.1.3.3Audio/Player
Qsynth
Apr 13, 2014 - v0.3.8.1Audio
Non Timeline
Feb 11, 2014 - v1.2.0.4Audio
Radiotray
Jan 11, 2014 - v0.7.3.01Audio/Player
Play
Unrated.
Dec 23, 2013 - v1.0.5.1Audio
Record
Dec 23, 2013 - v1.2.3.3Audio
Non Sequencer
Nov 1, 2013 - v1.9.5.1Audio/Midi
SoX
Sep 16, 2013 - v14.4.1.2Audio
Game Soundtracks
Jul 21, 2013 - v1.3.0.0Audio/Player
Simple Sysexxer
Jun 4, 2013 - v0.3.0.01Audio/Midi
gmidimonitor
Jun 4, 2013 - v3.6.1.01Audio/Midi
ASeqView
Jun 4, 2013 - v0.2.8.01Audio/Midi