Blade MP3 Encoder
http://bladeenc.mp3.no/
Grip
http://www.nostatic.org/grip/
K3b
http://www.k3b.org
Lame Encoder
http://lame.sourceforge.net
MPlayer
http://www.MPlayerHQ.hu/homepage/design4/news.html
NoteEdit
http://tan.informatik.tu-chemnitz.de/~jan/noteedit/noteedit.html
Ogg Vorbis
http://www.vorbis.com
RoseGarden
http://www.all-day-breakfast.com/rosegarden/
Sound and MIDI Software for Linux
http://linux-sound.org/
X-CD-Roast
http://www.xcdroast.org
xine video player
http://xinehq.de/