see also collections For Checking Compatibility of Addons/Extensions (add-ons) and For Managing Plugins (plug-ins)
Adds an About button to extensions, themes, and languages in the Add-ons list.
Remembers last selected (hilited) extension/theme/plugin/userstyle in Add-ons Manager. Turn off/on the add-on selection list box and/or fine tune behavior via its Options.
Makes Firefox Add-on Manager open in its own separate dialog.
This extension adds a button ("Dump list") to the Add-ons window. When this button is pressed, a new window is opened with the list of installed extensions, themes or plugins...
Note from Mozilla: This add-on has been discontinued. Try Add-on Update Checker instead.
Notifies you when updates are available for your extensions and themes.
(Formerly Local Install) The primary goal of this extension is to provide the tools needed to install and manage extensions and themes locally and tons of other features.
Note: With Toolkit 6.0 Auto Archiving is fully working in Firefox 2.0 and temp...
The Ultimate Addons.Mozilla.org Enhancer! Instantly add many tweaks to Addons.Mozilla.org including: Extra Features, Styles, Language Options, and much more. A must have for Firefox extension users.
Collector's Note v1.0.1 No Longer Works. No Effect 11/15/2012
Multiple Addon Deactivator (M.A.D) is an addon that can (de)activate one, many or each addon at the same time
Disable the install delay in Firefox. New 2.0 version now includes GreaseMonkey scripts!
Unlike similar addons, this works on Firefox 4 and beyond.
Adds multiple characteristics and enhancements to Firefox for browsing, extension update, online translation, back up, and makes some visual modifications.
**Notice: This addon is no longer maintained.** Are your addons compatible with the next version of Firefox? Find out straight from the Addons window! **Version 0.6.0 is available from the Versions page, it was never approved by AMO**