Reinstates the extensions.checkCompatibility preference.
Copy Plain Text 2 Requires Restart
Copies text without formatting
Mail Redirect Requires Restart Featured
Allow to redirect (a.k.a. "remail") mail messages to other recipients.
Display Quota Requires Restart
This extension will display the current status of your IMAP quota in thunderbird's statusbar and will warn you when you reach a configurable limit...
'Classic Toolbar Buttons' add-on restores old toolbar button ui (known from Fx 4-7s small view, Fx 4-12s large view & Tb 5-14) for current Firefox, Thunderbird and Seamonkey versions.
Beta builds on versions page!
PrintingTools Requires Restart
Adds some options to print messages and addressbooks
Font Finder Requires Restart
FontFinder is created for designers, developers and typographers. It allows a user to analyze the font information of any element on a page, copy any piece(s) of that information to the clipboard, and perform inline replacements to test new layouts.
Firefox and Thunderbird extension to manage user preferences and user profile CA certificates using group policy
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.
"Restart" menu and button, with configurable shortcut key.
QuickNote Requires Restart
A simple note-taking extension.
Diagnostics tool for Adblock Plus, provides some insight into internal processes of Adblock Plus.
Thunderbird Message Filter Import/Export Enhanced Requires Restart
Thunderbird Message Filter Import/Export Enhanced is a compatibility port of Wind Li's add on.
Original add on here: https://addons.mozilla.org/en-US/thunderbird/addon/thunderbird-message-filter-imp/
Dropbox for Filelink (Broken) Requires Restart
Add Dropbox support to Thunderbird's Filelink feature.
This add-on is no longer maintained.
Nightly Tester Tools Requires Restart
Useful tools for the nightly tester.
Add-on Update Checker Requires Restart
Adds Tools menu item to check Add-ons for updates. Includes toolbar icon.
NewScrollbars (aka NoiaScrollbars) Requires Restart
The "NewScrollbars"-extension replaces default scrollbars of Firefox and Thunderbird with colorized ones (partly) known from "Noia themes".
LightningButton Requires Restart
Toolbar-Buttons for Lightning; advances the feature to get rid of the tabbar.