Up & Coming Extensions
Enhanced Priority Display Requires Restart
Enhanced thread pane display of message priorities.
Track Package Requires Restart
Track Packages from the right-click menu...
SyncKolab Requires Restart
SyncKolab can synchronize your calendar, address book and tasks against an IMAP server in Kolab formats version 1 (vCard/iCal) or version 2 (XML) or turn your Thunderbird/Lightning into a native Kolab Client (http://kolab.org).
Autoarchive Requires Restart
Automatically archives old mails
ProfileSwitcher Requires Restart
It adds some options to launch easily other profiles and the Profile Manager.
Year view Requires Restart
Year view for calendar.
Emoji Requires Restart
Add emojis to your e-mails.
Identity Chooser Requires Restart
Identity Chooser helps you to always use the correct identity when composing a new email.
Copy Sent to Current Requires Restart
Allows to place a copy of sent messages (aka FCC) into the currently active folder or any other folder you choose, when you create the message. Usually the copies are placed into the 'Sent' folder. For replies, you may also move the original message.
Manually sort folders Requires Restart
This extension allows you to manually sort (order) your folders in the folder pane of Thunderbird or automatically sort them, but in a better way. This extension also allows you to re-order accounts in the folder pane.
Provider for Google Calendar Requires Restart
Allows bidirectional access to Google Calendar
tzpush Requires Restart
Z-Sync to Thunderbird Addressbook
Will sync Thunderbird address book to Zentyal, Zarafa, Horde and outlook.com/hotmail.
Folder Filters Button Requires Restart
Just a very simple add-on that adds a toolbar button to execute the "Run Filters on Folders" from Tools menu.
Nostalgy Requires Restart
Keyboard shortcuts to change folder, move/copy messages, with folder name auto-completion.
Copy Folder Requires Restart
The missing Thunderbird "copy folder" feature! Copy folders or entire POP/IMAP accounts recursively to any location while maintaining folder structure.
Lightning Month Tabs Requires Restart
This addon adds month tabs into Lightning calendar month view
Automatic Export Requires Restart
exports by an intervall or after pressing the button selected calendars in a defined folder in two modes - normal and backup...
On my homepage is the current version.
Here on this site it takes a long time after i publish a new version.
Phoenity Buttons Requires Restart
Adds some toolbar buttons using phoenity icons.
Displays message headers more compact (2 lines).
AutoUp Requires Restart
Transform the first letter of a sentence in uppercase
TryAgain Requires Restart
TryAgain keeps trying to load a webpage when the server cannot be reached.