VLC Multimedia Plugin (compatible Videos 3.6.3) - /usr/lib/mozilla/plugins/libtotem-cone-plugin.so (totem-mozilla)
QuickTime Plug-in 7.6.6 - /usr/lib/mozilla/plugins/libtotem-narrowspace-plugin.so (totem-mozilla)
DivX® Web Player - /usr/lib/mozilla/plugins/libtotem-mully-plugin.so (totem-mozilla)
Windows Media Player Plug-in 10 (compatible; Videos) - /usr/lib/mozilla/plugins/libtotem-gmp-plugin.so (totem-mozilla)
DivX Browser Plug-In - /usr/lib/mozilla/plugins/gecko-mediaplayer-dvx.so (gecko-mediaplayer)
Windows Media Player Plug-in - /usr/lib/mozilla/plugins/gecko-mediaplayer-wmp.so (gecko-mediaplayer)
RealPlayer 9 - /usr/lib/mozilla/plugins/gecko-mediaplayer-rm.so (gecko-mediaplayer)
mplayerplug-in is now gecko-mediaplayer 1.0.7 - /usr/lib/mozilla/plugins/gecko-mediaplayer.so (gecko-mediaplayer)
QuickTime Plug-in 7.6.9 - /usr/lib/mozilla/plugins/gecko-mediaplayer-qt.so (gecko-mediaplayer)
Shockwave Flash - /usr/lib/flashplugin-installer/libflashplayer.so
IcedTea-Web Plugin (using IcedTea-Web 1.3 (1.3-1ubuntu1.1)) - /usr/lib/jvm/java-7-openjdk-i386/jre/lib/i386/IcedTeaPlugin.so (icedtea-7-plugin)
iTunes Application Detector - /usr/lib/mozilla/plugins/librhythmbox-itms-detection-plugin.so (rhythmbox-mozilla)