Most Popular Extensions
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DOM Inspector - Mac OS X Requires Restart
Inspect the DOM of HTML, XUL, and XML pages, including the mail...
AastraClickToCall Requires Restart
Converts telephone numbers into clickable links for use with Aastra IP Phones
Grocery List Generator Requires Restart
The GLG (Grocery List Generator) is a helpful little tool to store your recipe-ingredients and other groceries you need regularly. It creates a well-organized grocery list to help make your grocery shopping as easy as possible.
docked JS-Console Requires Restart
docks the JS-Console to the Bottom of the Browser
feel free to have a look at the source (see below) and suggest enhancements (borstel33 web de , Subject: docked JS-Console)
Toggle Development Profile Prefs
Toggles Development Profile Preferences On When Enabled And Off When Disabled.
MailClassifier Requires Restart
The mailclassifier extension helps you to move the email in the right folder, it uses multi-level bayesian filtering...
xmpp4moz Requires Restart
xmpp4moz integrates the XMPP protocol (also known as Jabber) into Mozilla applications.
Russ Key Requires Restart
Allows typing in phonetic Russian and transforming Russian translit into Cyrillic...
SamePlace Instant Messenger Requires Restart
Extensible instant messaging client based on the XMPP (Jabber) protocol.
***ATTENTION***: it REQUIRES the xmpp4moz extension. Download it fromhttps://addons.mozilla.org/firefox/3632/, or get an all-in-one package fromhttp://www.sameplace.cc/downl...
CuteMenus - Crystal SVG Requires Restart
Note from Mozilla: This add-on has been discontinued. Try Menu Icons Plus instead.
Adds icons to all menus along with some other features...
Update Notifier Requires Restart
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.
Multi-LDAP Requires Restart
Permits to use several LDAP directories simultaneously for address autocompletion.
DeleteSimilar Requires Restart
Auto-delete similar newer incoming RSS messages.
No GUI (Hands free). To make it work you just rename the RSS folder to start with a minus.
i.e. Google News to -Google News
Uses Trash. Keeps oldest message to preserve Read status.
Readonly Attachments Requires Restart
Saves temporary files as read-only when showing attachments.
MiniWebView Sidebar Requires Restart
Sidebar that shows a single web page. This allows Thunderbird to be augmented with any user-supplied or third-party web page. The screenshot shows an example - I use my own custom web page to present my Google Calendar in my preferred format.
To create your own collections, you must have a Mozilla Add-ons account.