Up & Coming Extensions
Search for Sender Requires Restart
Adds two items to the threadpane context menu, 'Search for this sender' and 'Search for this subject'. This basically takes the sender or subject of the selected message, copies it to the QuickSearch window and starts the search.
Zoom Button for Thunderbird Requires Restart
Zoom in, zoom out, and reset zoom with one toolbar button. Works in the Compose window too.
Extension List Dumper 2 Requires Restart
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...
Lightning Reminder Left Buttons Requires Restart
Tired to mistakenly press that "Dismiss All" button? Move the Lightining Reminder "Snooze all for" and "Dismiss All" buttons to the LEFT!
... and from version 2.0 you can keep them on the RIGHT, but swapped!
Firefox and Thunderbird extension to manage user preferences and user profile CA certificates using group policy
QuickNote Requires Restart
A simple note-taking extension.
Move the Thunderbird menu bar to the top. Choose from a selection of visual styles + colors. Add frequently used bookmarks and an avatar icon without wasting precious screen space. Bookmark your favorite sites, emails, folders or configuration pages.
Custom Buttons Requires Restart
Gives a possibility to create custom toolbarbuttons...
Finally, an efficient blocker. Easy on CPU and memory.
Fit Images (restartless) Requires Restart
Fit large images to window when viewing a message.
Control how you want to fit images: by width, height or both.
Send Later Button Requires Restart
A simple button to invoke the (already existing) send later functions.
Header Tools Lite Requires Restart
Allows to modify the header and the source of messages
Message Notes Plus Requires Restart
Message Notes Plus allows to add notes to emails. The notes don't affect the email in any way.
They are stored locally on your hard drive.
The commercial version of the add-on allows to share notes with other users: http://msgnotes.alehro00.com
Extremely thin tabs optimized for the squared variants of Classic Theme Restorer.
Please see description for updates!
CALDAV - Search/Subscribe Requires Restart
Add CalDAV search & subscribe feature to Lightning
Text Link Requires Restart
Allows URI texts written in webpages to be loaded by double clicks.
LookOut Requires Restart
LookOut is a plugin which allows Thunderbird to interface with Microsoft's mail tools by decoding metadata and attachments encapsulated/embedded in a TNEF encoded attachment (aka winmail.dat).
Add Signature Requires Restart
Simply add your signature manually (right mouse click) to your emails
Babylon Dictionary Word Search Requires Restart
Find the definition for a selected word in a web page or an email.
Right click over the selected word, choose the option "Search in Babylon" and that's it! You will have a new window with the definition of the selected word.