Shockwave Flash - /usr/lib/flashplugin-installer/libflashplayer.so
Skype Buttons for Kopete - /usr/lib/mozilla/plugins/skypebuttons.so (kopete)
IcedTea-Web Plugin (using IcedTea-Web 1.5 (1.5-1ubuntu1)) - /usr/lib/jvm/java-7-openjdk-amd64/jre/lib/amd64/IcedTeaPlugin.so (icedtea-7-plugin)
QuickTime Plug-in 7.6.6 - /usr/lib/mozilla/plugins/libtotem-narrowspace-plugin.so (totem-mozilla)
Windows Media Player Plug-in 10 (compatible; Videos) - /usr/lib/mozilla/plugins/libtotem-gmp-plugin.so (totem-mozilla)
DivX® Web Player - /usr/lib/mozilla/plugins/libtotem-mully-plugin.so (totem-mozilla)
VLC Multimedia Plugin (compatible Videos 3.10.1) - /usr/lib/mozilla/plugins/libtotem-cone-plugin.so (totem-mozilla)
Adobe Reader 9.5 - /usr/lib/mozilla/plugins/npwrapper.nppdf.so