Add-ons

MinimizeToTray revived by Nils Maier

Minimizes windows into the system tray.

Session Manager by Michael Kraft

Session Manager saves and restores the state of all or some windows - either when you want it or automatically at startup and after crashes. It can also automatically save the state of open windows individually.

IE Tab + (FF 8+, 7, 6, 5, 4, 3.6, 3.5, SeaMonkey) by IE Tab Pro

IE Tab + is an enhanced version of IE Tab. It supports FF 3.5 or greater, integrates IE Tab with Adblock Plus in the IE Tab engine, and synchronizes cookies between IE and Firefox. You can easily import settings from the original IE Tab into IE Tab +

Right Links by Infocatcher

This extension allows to open links in new tabs with right-click directly and using “long” left-click.
This is very useful for touchpads on notebooks and for mice without middle button.

Tab Counter by Michael Kraft

A simple extension that counts the number of open tabs per window and displays the count in the toolbar...

Restartless Restart by Erik Vold

This 15KB restartless add-on will add a "File" -> "Restart" menu item and a ctrl/cmd + alt + r hotkey to restart Firefox or Seamonkey.

Check for Updates in Help Menu by Dagger

Adds a 'Check for Updates' entry to the Help menu.

HashColouredTabs+ by John P Baker

Improves tab identification by providing a small colored icon for any site which doesn't have its own 'site icon'.
★ 'favicon' now also shown in history and bookmarks ★

Doctor Who River Song by Lasertownqueen

Clean Carbon Fibre Theme by sam

Cybermen V2 by Black Knyght

Billie Piper Bad Wolf by Lasertownqueen

ANIMATED HALLOWEEN NIGHT by holidaypersonas

Jerrys_USAF_Tribute by Black Knyght

LEGO Doctor Who by lego benjamin