JACK Keyboard
JAMin
Jamulus
Jkmeter
js8call
Kazam
Kino
Kluppe
Klystrack
Drumstick Metronome
KMPlayer
Knowthelist
Kodi
Kylin Video
Le Biniou
LiVES
LMMS
LXMusic simple music player
Sound
MediaConch
MediaInfo
MediathekView
Message Aggregator
mhWaveEdit
MilkyTracker
