Extensions by Name
Viral Threat Level Requires Restart
Adds an image to the status bar indicating the current threat level of the internet. It allows quick access to security information that you can use to help protect yourself, and links to antivirus software comparisons and security extensions.
VKeyBoard Requires Restart
Virtual keyboard for firefox and the Kiosk Browser. Adds a keyboard to the bottom of the window. Great for use with touchscreens or in a kiosk environment
vnotereader Requires Restart
Extension to view vNotes in a more readable format
WarnAttachment Requires Restart
WarnAttachment shows an additional dialog to confirm potentially dangerous attachments. Some attachments like executables etc. are completely blocked. This reduces the risk of malware especially for inexperienced users.
WDownloader plugin for Firefox
Allows you to configure a set of WebApps to open easily as tabs within Thunderbird trying to give them all the functionality that you'd find in Firefox.
WebChanges Requires Restart
Monitor website changes for all websites not providing feeds.
WebDAV for Filelink Requires Restart
Adds the possibility to use a WebDAV store for Filelink. With this extension you can link attachments to a WebDAV service, for example as provided by Apache's mod_dav or some public services.
Style the web your way- provides a GUI that allow web users to change the look-and-feel of arbitrary web pages to something more pleasant and accessible.
WebPG for Mozilla Requires Restart
An extension which provides GnuPG/GPG/PGP related functions to Moizilla Firefox, Thunderbird and Seamonkey
Webreq® Mailboard® Requires Restart
Consente di esportare tutte le impostazioni IMAP ed SMTP della caselle email per accedervi dal web, dallo smarthone oppure reimportarle su altra postazione con Thunderbird.
Wepware - Capture and Share Live Content Requires Restart
Grab live snapshots of anything on the internet, organize your collected content into folders and share with friends through SNS.
whatmon Requires Restart
Monitor Whatever: a tiny Firefox extension called whatmon, which can monitor almost anything you wish to monitor. Number of logged on users? Current load average? Health of your LDAP servers? Mail server queues? No problem for...
Functionality for multiple screens and windows. Easily open links in other windows or on other screens, move or merge tabs, and move or merge entire windows. With graphical controls for grid positioning.
Windows Contacts Loader Requires Restart
Loads Windows Contacts from Windows 7 or Vista in a Thunderbird Address Book called "Windows".
Windows Taskbar Unread Badge Requires Restart
Put an unread mail count badge on the Thunderbird icon in the Windows taskbar.
Winmail Opener Bridge Requires Restart
Opens attached winmail.dat by Winmail Opener automatically.
withAttach Requires Restart
This extension adds a menu option (and a toolbar button) to compose an email "with attachments"...
WordReference Translator Requires Restart
Open a tab with WordReference's translation for the selected word. Through a floating link, or by pressing "D" key.
Workspace for Thunderbird Requires Restart
A simple editor for executing snippets of JS. In Thunderbird.