Install
clicks is available in Ubuntu. [?]
Movie Player
A simple media player for the GNOME desktop based on GStreamer
VLC media player
multimedia player and streamer
MPlayer
movie player for Unix-like systems
Amarok
easy to use media player based on the KDE 4 technology platform
Kaffeine
versatile media player for KDE
Movie Player Totem (xine backend)
A simple media player for the GNOME desktop (transitional package)
Audacious2
small and fast audio player which supports lots of formats
Dragon Player
simple KDE 4 video player
Banshee Media Player
Media Management and Playback application
SMPlayer
complete front-end for MPlayer
Exaile Music Player
flexible audio player, similar to Amarok, but written in GTK+
Miro Internet TV
GTK+ based RSS video aggregator
KsCD
audio CD player for KDE 4
JuK
music jukebox for KDE 4
Swfdec Flash Player
Tools to play SWF files (Macromedia Flash) on GNOME
Listen Music Player
music player and manager for GNOME
BEAST
music synthesis and composition framework
Alsaplayer
PCM player designed for ALSA (common files)
Enqueue and play with Xfmedia
Xfce media player
Moovida Media Center
The Moovida media center application