Android Add-ons

Manually sort folders by Jonathan Protzenko, Itagaki Fumihiko

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.

Collector's Note Nice Job Should belong TB core

DKIM Verifier by Philippe Lieser

Verifies the DKIM-Signature of an e-mail.

Quicktext by John Bieling

Quicktext is an extension for Thunderbird that lets you create templates that can be easily inserted into your own emails.

Collector's Note Nice Job Should belong TB core quick msg bloc manager

Edit Email Subject (EES) by jisse44, John Bieling

This module allows you to change/edit email subjects

Collector's Note Nice Job Should belong TB core

Xpunge by Theodore Tegos

Empties the Trash and Junk folders, and compacts folders in multiple Thunderbird accounts.

Collector's Note Nice Job

Duplicate Contact Manager by Marian Steinbach, Copelnug

Facilitates handling of duplicates in your address book(s). Allow to search and remove similar contacts.

Collector's Note Nice Job Should belong TB core

Gantt View by Joe Brochu

Gantt Chart view for Sunbird/Lightning

Collector's Note Nice Job Should belong TB core

TracEmail by Gábor György Gulyás, Kovács Zoltán, others

A tool to raise awareness on email privacy. Visualizes the estimation of the path of your email messages on an interactive map. You can see which countries might have taken a copy of the message.

Restart Thunderbird by Briks Software, David McNamara

Restart Thunderbird with ease.

Collector's Note Nice Job Should belong TB core