Gnome Shell Integration - /usr/lib/mozilla/plugins/libgnome-shell-browser-plugin.so (gnome-shell)
iTunes Application Detector - /usr/lib/mozilla/plugins/librhythmbox-itms-detection-plugin.so (rhythmbox-mozilla)
DivX® Web Player - /usr/lib/mozilla/plugins/libtotem-mully-plugin.so (totem-mozilla)
Windows Media Player Plug-in 10 (compatible; Totem) - /usr/lib/mozilla/plugins/libtotem-gmp-plugin.so (totem-mozilla)
QuickTime Plug-in 7.6.6 - /usr/lib/mozilla/plugins/libtotem-narrowspace-plugin.so (totem-mozilla)
VLC Multimedia Plugin (compatible Totem 3.4.3) - /usr/lib/mozilla/plugins/libtotem-cone-plugin.so (totem-mozilla)
IcedTea-Web Plugin (using IcedTea-Web 1.3 (1.3-1ubuntu1)) - /usr/lib/jvm/java-7-openjdk-i386/jre/lib/i386/IcedTeaPlugin.so (icedtea-7-plugin)
Google Talk Plugin - /opt/google/talkplugin/libnpgoogletalk.so (google-talkplugin)
Google Talk Plugin Video Accelerator - /opt/google/talkplugin/libnpgtpo3dautoplugin.so (google-talkplugin)
Shockwave Flash - /usr/lib/flashplugin-installer/libflashplayer.so
LibreOffice Plug-in - /usr/lib/libreoffice/program/libnpsoplugin.so (mozilla-libreoffice)
DivX Browser Plug-In - /usr/lib/mozilla/plugins/gecko-mediaplayer-dvx.so (gecko-mediaplayer)
RealPlayer 9 - /usr/lib/mozilla/plugins/gecko-mediaplayer-rm.so (gecko-mediaplayer)
Windows Media Player Plug-in - /usr/lib/mozilla/plugins/gecko-mediaplayer-wmp.so (gecko-mediaplayer)
QuickTime Plug-in 7.6.9 - /usr/lib/mozilla/plugins/gecko-mediaplayer-qt.so (gecko-mediaplayer)
mplayerplug-in is now gecko-mediaplayer 1.0.6 - /usr/lib/mozilla/plugins/gecko-mediaplayer.so (gecko-mediaplayer)
Adobe Reader 9.5 - /usr/lib/mozilla/plugins/nppdf.so
VLC Web Plugin - /usr/lib/mozilla/plugins/libvlcplugin.so (browser-plugin-vlc)