Extensions by Weekly Downloads
BccInfo Requires Restart
Send any additional information to your BCC recipient.
Filter SubFolders Requires Restart
Applies mail filters to sub folders of an IMAP account, not just the Inbox
Follow Reply Requires Restart
Find the replying or the following mail you wrote by clicking the arrow icon in the subject column of the thread panel
ScrollToNext Requires Restart
Use your mouse-wheel to select the next message by placing the mouse over the right hand side of the message list pane and then scrolling.
Shift Box Requires Restart
Replay your INBOX!
DBus Notifications Requires Restart
Sends DBus notifications when events are detected (a new message is received).
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.
Serial Letter Requires Restart
Provides the ability to start writing a template-derived letter directly from within the address book. Supports also multiple recipients. Supports only TeX and similar systems at the moment.
Last Message Requires Restart
Navigate the folder to the last message in the moment the folder is opened.
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.
Directory Contact Tabs Requires Restart
Displays additional information about contacts from LDAP directory servers. The new panels are provided by one or several customized Directory Contact Tabs (Data) add-ons.
RealPrevNextButtons Requires Restart
Real previous & next buttons for message navigation.
Add Birthdays To Calendar Requires Restart
Birthdays from addressbook-contacts will be added as events to Lightning...
DeleteSimilar Requires Restart
Auto-delete similar newer incoming RSS messages.
No GUI (Hands free). To make it work you just rename the RSS folder to start with a minus.
i.e. Google News to -Google News
Uses Trash. Keeps oldest message to preserve Read status.
Bugzilla Helper Requires Restart
Quickly reply to your bugmail on bugzilla.mozilla.org without leaving Thunderbird.
Yelp Search Toolbar Requires Restart
YELP SEARCH TOOLBAR, NOW IT MORE EASY TO REVIEW & TALK ABOUT WHAT'S GREAT - AND NOT SO GREAT - IN YOUR AREA
Submit Word (Romanian) Requires Restart
An extention that allows users to submit words for inclusion in the Romanian dictionary.
Don't Forget CC Requires Restart