cool flash video player, seems to be a great replacement for jw player (which is great, too)
alternative firmware rockbox auf einem sansa e200 mp3-player
Songbird is a desktop media player mashed-up with the Web. Songbird is committed to playing the music you want, from the sites you want, on the devices you want, challenging the conventions of discovery, purchase, consumption and organization of music on
Flivpee is an open-source Flash video player that I've released under the GPLv3
Clementine is a modern music player and library organiser. Clementine is a port of Amarok 1.4, with some features rewritten to take advantage of Qt4.
"Python Jamendo Audio" is a python / GTK audio streaming application, which is thought to bring the free Jamendo- music on your PC. You can browse through artists and albums, mark your favorite songs and create playlists.