Version in Add-on bar Requires Restart
Show the Firefox/Thunderbird version number in the addon bar (formerly called status bar).
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
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.
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.
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...
withAttach Requires Restart
This extension adds a menu option (and a toolbar button) to compose an email "with attachments"...
Workspace for Thunderbird Requires Restart
A simple editor for executing snippets of JS. In Thunderbird.
World Weather+ Requires Restart
Displays local weather information from around the world...
XL2Report Requires Restart
Report und grafische Auswertung für Messungen mit dem XL2-Audio und Akustik Analyzer von NTi Audio
XPCOMViewer Requires Restart
XPCOMViewer is tiny tool for exploring XPCOM components.
Xpunge Requires Restart
Empties the Trash and Junk folders, and compacts folders in multiple Thunderbird accounts.
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.
Yandex.Metrika for Thunderbird Requires Restart
Go to the reports of Yandex.Metrika
Year view Requires Restart
Year view for calendar.
Year View Requires Restart
This is an example extension that adds a simple year view to Sunbird/Lightning.
Note that freebusy information is only provided if all calendars are cached. See long description for more info. Also, Calendar 1.0pre with bug 489590 fixed is required.
Zenbu-Robot Requires Restart
This is a Joke Add-on.
Externals of Firefox and Thunderbird are changed.
zFiler mail Requires Restart
Automatic conversion from 'plain' attachments to zFiler links, when message is being sent.
ZNotes Requires Restart
Save everything you like. Simple text notes and pages downloaded from the internet, rich multimedia. Store any files and contacts from your address book with notes.