Drumstick Metronome
LiVES
LMMS
MediaConch
MediaInfo
mhWaveEdit
Mixxx
Mp3splt-gtk audio splitter
MuseScore 2
MusE
Kid3
OpenShot Video Editor
MKVToolNix
Gnome Subtitles
K3b
Kdenlive
Kwave
Subtitle Editor
MuseScore