Unselect Message Requires Restart

Prevents Thunderbird from selecting the next message after you've deleted or moved the previously selected ones. Stay in control of which message you want to have selected and displayed in the preview pane; that piece of spam you're deleting...

PONG! Multiplayer Requires Restart

Play a game of PONG! while you are waiting.

Edit As New Requires Restart

Adds "Edit As New" toolbar button to the main...

Russ Key Requires Restart

Allows typing in phonetic Russian and transforming Russian translit into Cyrillic...

TB QuickMove Extension Requires Restart

You can now move (or copy ) messages to common folders quickly...

ZenbuShiitake Requires Restart

StickyCharset Requires Restart

Allows persistent charset changes on individual messages. For use with messages that have erroneous charset header...

TB Reset Quote Header Extension Requires Restart

You can now modify the look of the quote header on replies. Quote header templates are included in the xpi ( open the xpi with a archive program like winzip and extract the two txt files) Then, in the extension's options page, type the word...

compactfolder Requires Restart

A toolbar button for compacting/purging the currently-viewed...

IO.Translator Requires Restart

即时在线汉英互译 - Instant Online Translator (Chinese-English)

Go Google

Open google instantly with this super fast add on.And its just < 10KB.!
No need to type google in your address bar anymore.Just try this awesome to open up google instantly.

Filter Button Thunderbird Requires Restart

Adds a button to run...

Fix Tb Titlebar Extension Requires Restart

You can now modify the Titlebar of TB's main...

SendTools Requires Restart

Add SendAt option to the compose window to allow sending a message on a particular date and...

Russian hot keys bugfix Requires Restart

Makes hot keys work with Russian, Ukrainian and Hebrew keyboard layout in Linux and *BSD (needed only for GTK2 builds).

TB Header Tools Extension Requires Restart

You can now modify the header detail of messages...

Get Selected Messages Requires Restart

Adds the button on the toolbars "Get All New Messages", "Get Selected Messages" and "Get Starred Messages", the analog of button from File and File->Offline->Get Selected Messages, Get Starred Messages for loading selected messages by...

RvrtRip Requires Restart

This add-on gathers information from the Belgium public radio station website(VRT) for searching music/festivals and radio programs.
In addition to the VRT website, it's possible to download the streams to disk so you can listen with your mp3player.

EasyVHitG Requires Restart

Für die an SafeMail teilnehmenden Ärzte.

MessageID-Finder Requires Restart

MessageID-Finder is a addon for the Mozilla mail/news-client and Thunderbird which helps you to find the message to a certain...