Recently Updated Extensions
Splash! (Compatibility Update) Requires Restart
Adds a splash screen. Supported in Firefox, Flock, Thunderbird, Sunbird, eMusic Remote, Songbird and Sunbird.
arXiv Requires Restart
Adds direct links to the article PDF and BibTeX information to arXiv email listings. BibTeX information can be used in reference managers such as JabRef by Copy & Paste.
about:support Requires Restart
A Mozilla Messaging addon to assist in product support.
ThunderRetract Requires Restart
ThunderRetract implements client-side eMail retraction into Thunderbird. This is done showing messages differences in original and retracted one.
EzStylist Requires Restart
Allows including CSS when composing e-mails.
Markov Dictionary Switcher Requires Restart
Based on Dictionary Switcher but more than a thousand times faster and you can choose dictionaries that you want to use. Detects the language of the message that you are composing and changes the spelling dictionary.
JSON Calendar Provider Requires Restart
JSON based calendar Provider - designed to make writing backends for calendars trivial
Been2Long Requires Restart
Been2Long will remind you to get in touch with your contacts.
FG Printers Requires Restart
This extension allows you to modify the printing output of Mozilla Calendar. You can change the font, font-sizes and display of colors. Plus category colors are actually printed and end date calculation now works!
A Better S/MIME GUI Requires Restart
Provides a better S/MIME GUI for Thunderbird.
Menu Editor II Requires Restart
Hides or moves menus and menu items. (Deprecated version, see below.)
Avans Imap-account setup Requires Restart
Avans Imap-account setup
Colorify Unread Watched NNTP Requires Restart
Colorizes names of newsgroups that have watched threads with unread messages.
TamilVisai (TamilKey) Requires Restart
A utility for typing in Tamil language. It will be ideal for Tamil bloggers...
Navigation Shortcuts Requires Restart
This extension adds three shortcuts to Thunderbird to navigate more easily.
These shortcuts are: Focus message pane, go one folder up and go one folder down
Foobar Controls Requires Restart
Allows you to control the Foobar2000 Mp3 player from the Firefox window...
Gather the senders ! Requires Restart
Select all the mails in a directory sent by the selected authors.
GQueues Tab Requires Restart
This extension uses the new special tab features of Thunderbird 3 to open the GQueues to-do list manager inside a Thunderbird tab.