Reinstates the extensions.checkCompatibility preference.
Quicktext Requires Restart
Quicktext is an extension for Thunderbird that lets you create templates that can be easily inserted into your own emails.
Google Calendar Tab Requires Restart
Adds the Google Calendar web interface as a new tab directly into Thunderbird. Creating and viewing events works just as it would in a browser like Firefox
Mail Redirect Requires Restart Featured
Allow to redirect (a.k.a. "remail") mail messages to other recipients.
Diagnostics tool for Adblock Plus, provides some insight into internal processes of Adblock Plus.
Provider for Microsoft Exchange Requires Restart
The lightning-exchange-provider addon allows you to use Microsoft Exchange calendars in Thunderbird, via Exchange’s web services.
This addon only works with Microsoft Exchange 2007 and above. Exchange 2003 is not supported.
FoxClocks shows times around the world - or just your local time - at the bottom of your browser. It deals with daylight saving time so you don't have to.
DOM Inspector Requires Restart
DOM Inspector is a tool that can be used to inspect and edit the live DOM of any web document or XUL application. The DOM can be navigated using a two-paned window displaying a variety of different views on the document and all nodes within.
Signature Switch Requires Restart
Switch the signature on/off or choose a new one from your predefined set...
Nightly Tester Tools Requires Restart
Useful tools for the nightly tester.
AutoProxy-ng Requires Restart
This is a fork of AutoProxy, which can run the latest version of Firefox.
Extension Auto-Installer is a helper for Firefox/SeaMonkey/Thunderbird extension developers: it allows automatically adding or updating browser extensions, e.g. via command line tools. This makes testing your changes easier.
Music World Anonymous Quick Button Requires Restart
A quick button link to MusicWorldAnonymous.com. Music World Anonymous is a site about helping bands find fans for free!
Toggle Proxy Requires Restart
Toggle Proxy adds a status bar/toolbar icon to toggle between two proxy settings which can be set in the preferences or toggle via a shortcut key (alt + x) if you don't use the add-on bar.
NewScrollbars (aka NoiaScrollbars) Requires Restart
The "NewScrollbars"-extension replaces default scrollbars of Firefox and Thunderbird with colorized ones (partly) known from "Noia themes".
Google Tasks Sync Requires Restart
Manage your tasks from Thunderbird, even while offline.
Minimize On Start and Close Requires Restart
A remake of the MinimizeToTray-extension made to fit the Windows 7 taskbar. Instead of minimize the window to the tray it minimize it to the taskbar. It can minimize on startup, when the window is closed and/or when the esc key is pressed.
Themes Menu Requires Restart
Adds Themes menu to the Tools and Titlebar menus. Includes toolbar icon.
Dropbox for Filelink Requires Restart
Add Dropbox support to Thunderbird's Filelink feature.