Extensions by Name
Import and export calendar files in vCalendar (.vcs) format
Adds support for 3e calendars
Provides a better S/MIME GUI for Thunderbird.
Type in accented letters, international characters or symbols into Firefox or Thunderbird, either simply by using a context menu (there being support for many languages), or quickly by keyboard macro (you can even define your own).
Adds an About button to extensions, themes, and languages in the Add-ons list.
About Home Themer No Restart
Enables theming of the About:Home page by providing a simple redirect
About Startup No Restart
Displays startup timings
About:about Button No Restart
A button that lists all the about pages that exist. Some of these pages are also provided as separate buttons.
about:config Button No Restart
Open about:config to change hidden settings that cannot be edited from the Options window. All Mozilla based programs have settings that can not be changed in the options window.
Baby cats and kittens in the about box...
A Mozilla Messaging addon to assist in product support.
The abusix Spam Reporter enables you to forward and report spam to the abusix blackhole.mx systems directly from Thunderbird (free of charge). Thus, you help professionals and security vendors to fight spam much more effectively at the source.
Associates user-defined colors with accounts and identities. Applies these colors to accounts, identities, folders, message list, message headers and compose headers. Users will always know which accounts/identities they are working with.
Export/Import Account Settings.....
Adblock Edge No Restart
Adblock Edge is a fork of the Adblock Plus version 2.1.2 extension for blocking advertisements on the web, without sponsored ads whitelist.
**This addon has been discontinued**
Adblock Plus No Restart Featured
Blocks annoying video ads on YouTube, Facebook ads, banners and much more.
Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).
Birthdays from addressbook-contacts will be added as events to Lightning...