FlashGot Mass Downloader 1.5.6.14 Requires Restart
by Giorgio Maone
Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.
xSidebar 1.1 Requires Restart
by Philip Chee
Firefox style sidebars for SeaMonkey…
DownThemAll! 3.0.9
by Nils Maier, Federico Parodi, Stefano Verna
The first and only download manager/accelerator built inside Firefox!
NewsFox 1.0.9.4.1 Requires Restart
by Andrey Gromyko, R Pruitt
NewsFox is an efficient 3-pane(email) style Atom/RSS feed reader.
ImportExportTools 3.3.2 Requires Restart
by Paolo “Kaosmos”
Adds some tools to import and export folders and messages