Multi-LDAP Requires Restart

Permits to use several LDAP directories simultaneously for address autocompletion.

Blinking Alert Requires Restart

Adds blink feature to the new-mail alert.
You can also disable auto-hiding of the alert.

Locale2MUI Requires Restart

Sets Firefox/Thunderbird Locale to Windows (MUI) Language on startup

Confirm-Address

Confirm E-mail address before sending mail

Kyrgyz Key Requires Restart

Allows to type Kyrgyz alphabets like Ө,Ң and Ү in any text fields of Firefox Browser, Web Pages and Thunderbird. Converts Latin words into Cyrillic words instantly. Makes EnglishRussian translations.

Send Filter Requires Restart

This add-on allows you run your message filters automatically on outgoing messages after sending. In other words, it's a outgoing filter for thunderbird and seamonkey.

WordReference Translator Requires Restart

Open a tab with WordReference's translation for the selected word. Through a floating link, or by pressing "D" key.

Simple Search-For Extension Requires Restart

Adds a "Search for" item to Thunderbird's context menu, like in Firefox.

bosskey Requires Restart

Add Boss Key, Minimize/Close to tray and memory auto cleaning to Firefox.

ThunderBrowse Requires Restart

Did your friend send you a cool link? Want to read the rest of that interesting article? Don't want to open up your web browser just to view it? You don't have to! Just view it in Thunderbird with ThunderBrowse!

ThunderBirthDay Requires Restart

Display birthdays from the Thunderbird addressbooks as events in Lightning.

ThreadBubble Requires Restart

Make Thunderbird resort threads by date when a new message arrives. *** This add-on is no longer required for new versions of Thunderbird! ***

Copy Link Name for Thunderbird Requires Restart

It's like Copy Link Name for Firefox but for Thunderbird!

Sender Name Requires Restart

DragToCompose Requires Restart

Enables dragging a file to Thunderbird for composing a new message without opening composer window first.

ltnPlus Requires Restart

Version 0.9:
Support printing of tasks for Lightning 0.8/0.9.

Up to version 0.2:
Enhancements to Lightning that are known from Sunbird: Unifinder (for events and todos) and moving MiniMonth to Tabpanel

TB Properties Requires Restart

Wanna know more about a link or image you see in Thunderbird? Do you really really really wish there was a properties box with the info about objects? Well..

TB Custom Toolbar Requires Restart

Adds a button to make new toolbars in Thunderbird

XUL/Migemo Requires Restart

This provides dictionary-assisted search (Migemo search) and regular expression powered search for "find in this page" and other features.

Send Format LDAP Requires Restart

Gets supported email formats (text/HTML) by the recipients from LDAP directories.