Welcome to Thunderbird Add-ons.
Add extra features and styles to make Thunderbird your own.Close
Let's show the calendar color on Lightning reminders!
Crash Me Now! (Simple) No Restart
Crash yourself with ease
Provides ability to disable "about:*" pages by the configuration.
Extension for creating support tickets based on mail.
Copy Reminder List To Clipboard No Restart
Provides button to copy the list of current reminders to the clipboard.
Dictionary for recipient No Restart
Sets the spell check dictionary based on the first recipient
Lists the request flags for a specified requestee
Implement the "Sensitivity" header for outgoing messages (described in RFC 4021 section 2.1.55).
This allows the user to select Private / Personal / Company-Confidential (or none) for an outgoing message.
Reinstall Last Installed Add-on No Restart
One-click reinstall last installed addon, useful when developping restartless addon
Squared Australis Tabs (Tb) No Restart
A small and simple extension, which replaces the curved tabs of the Australis design with squared ones, similar to Thunderbird v14 and prior.
AFP protocol enabler No Restart
Enable afp protocol (afp://)
This extension adds a button ("Dump list") to the Add-ons window. When this button is pressed, a new window is opened with the list of installed extensions, themes or plugins...
VCard Addressbook : a new addressbook for Thunderbird based on the VCARD standards
Profile Buttons No Restart
A button to be able to open the profile folder, along with two buttons to create profiles, and also switch the current profile.
(beta) Integrates with the Kardia CRM system, to provide information about the people in the Kardia CRM database directly via Thunderbird.
NOTE: This add-on requires a Kardia CRM server (see description for more information).
Add-ons Manager - Version Number No Restart
Restores add-on version number inside Add-on Manager for latest builds of Firefox, Thunderbird and Seamonkey.
about:config Button No Restart
Open about:config to change hidden settings that cannot be edited from the Options window. All Mozilla based programs have settings that can not be changed in the options window.
This extension implements a convenient way to check and upload attachments against VirusTotal.com
Feedly Synchronizer No Restart
Synchronize your favorite RSS sources with Thundebird and Feedly