http://downloads.mozdev.org/bidiui/latest/bidimailui_tbird.xpi
http://ftp.mozilla.org/pub/mozilla.org/calendar/xpi/windows/calendar_windows_20050111.xpi
http://www.cweiske.de/files/download/misc/dispmua-1.1.4.xpi
http://nic-nac-project.de/%7Ekaosmos/mboximport-0.5.1.xpi
http://downloads.mozdev.org/quickreply/QuickReply-v0.5.5a.xpi