Add-ons
Extensions by Name
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Workspace for Thunderbird
Requires Restart
A simple editor for executing snippets of JS. In Thunderbird.
World Weather+
Wunderlist Task Button
Requires Restart
Non-official addon for Wunderlist. Easily transform a mail into a task for Wunderlist with a single click.
www.Translate
Requires Restart
Multi-Translator from Google, Bing and Pragma.
Translation tool for your Firefox and Thunderbird with a simple and friendly interface.
X-Original-To Column
This addon adds a new column called X-Original-To in the message list which shows the original recipient address of the message (the contents of the X-Original-To header). This can be useful for systems with catch-all email addresses.
XL2Report
Requires Restart
Report und grafische Auswertung für Messungen mit dem XL2-Audio und Akustik Analyzer von NTi Audio
XML Digital Signature Tool
Requires Restart
XML Digital Signature Tool is a Firefox add-on for processing Digital Signature in XML documents
(Please read the installation instruction in the "Developer Comments" section before downloading)
xmpp4moz
Requires Restart
xmpp4moz integrates the XMPP protocol (also known as Jabber) into Mozilla applications.
XNote++
Featured
Persistent sticky notes associated to emails. You can fulltext search with constraints/email them/print/bookmark/copy to clipboard.
If you have a large screen, you can even display the notes outside of TB's main window, so it won't hide anything.
XPCOMViewer
Xpunge
Empties the Trash and Junk folders, and compacts folders in multiple Thunderbird accounts.
xSearchbarT2
Requires Restart
Somewhere between Thunderbird 1.5 and Thunderbird 2 the message search bar disappeared. This extension restores the search bar. Thunderbird 2 and newer only.
XUL/Migemo
Requires Restart
This provides dictionary-assisted search (Migemo search) and regular expression powered search for "find in this page" and other features.
xultray for gecko 1.9.1
Requires Restart
Show xul application (gecko 1.9.1 based) in system tray. supports Firefox 3.5, Thunderbird 3.0.
xultray for gecko 1.9.2
Requires Restart
Show xul application (gecko 1.9.2 based) in system tray. supports Firefox 3.6 / 3.7 , Thunderbird 3.1
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