This is a testing tool for addon developers.
Show the Firefox/Thunderbird version number in the addon bar (formerly called status bar).
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
WebApp Tabs No Restart
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.
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.
Grab live snapshots of anything on the internet, organize your collected content into folders and share with friends through SNS.
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...
This extension adds a menu option (and a toolbar button) to compose an email "with attachments"...
A simple editor for executing snippets of JS. In Thunderbird.
Displays local weather information from around the world...
Report und grafische Auswertung für Messungen mit dem XL2-Audio und Akustik Analyzer von NTi Audio
XPCOMViewer is tiny tool for exploring XPCOM components.
Empties the Trash and Junk folders, and compacts folders in multiple Thunderbird accounts.
Show xul application (gecko 1.9.1 based) in system tray. supports Firefox 3.5, Thunderbird 3.0.
Go to the reports of Yandex.Metrika
Year view for calendar.
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.
This is a Joke Add-on.
Externals of Firefox and Thunderbird are changed.
Automatic conversion from 'plain' attachments to zFiler links, when message is being sent.