Stephen Judge's Thunderbird Add-ons

by Stephen Judge

  • Updated April 3, 2020

About this Collection

A few useful Add-ons I use with Thunderbird.

38 Add-ons in this Collection

Provider for Google Calendar by Philipp Kewisch

Download Now

Rated 3 out of 5 stars 1,658 reviews

204,043 users

Allows bidirectional access to Google Calendar

Enigmail by Patrick Brunschwig

Download Now

Rated 4 out of 5 stars 260 reviews

4,576 users

Helper tool to migrate your keys and important settings from Enigmail to Thunderbird 78.

British English Dictionary (Marco Pinto) by Marco A.G.Pinto

Download Now

Rated 5 out of 5 stars 83 reviews

181,265 users

A fork of Mark Tyndall's add-on, based on David Bartlett's
British Dictionary R1.19 for Firefox, Thunderbird and SeaMonkey.

V3.3.6 has 140 000+ new words and also fixes.

CardBook by Philippe V.

Download Now

Rated 4 out of 5 stars 470 reviews

73,010 users

A new Thunderbird address book based on the CardDAV and vCard standards.

Twitter: @CardBookAddon

Manually sort folders by Jonathan Protzenko, Itagaki Fumihiko

Download Now

Rated 4 out of 5 stars 626 reviews

12,838 users

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.

gContactSync by Josh Geenen

Download Now

Rated 4 out of 5 stars 416 reviews

15,409 users

Synchronizes contacts & groups between Thunderbird and Google Contacts.

Mail Merge by Alexander Bergmann

Download Now

Rated 5 out of 5 stars 230 reviews

76,768 users

Create and Save or Send Multiple Individual and Personalized Messages from a Draft

DKIM Verifier by Philippe Lieser

Download Now

Rated 4 out of 5 stars 49 reviews

22,247 users

Verifies the DKIM-Signature of an e-mail.

Send Later by Jonathan Kamens, Jonathan Perry-Houts

Download Now

Rated 5 out of 5 stars 265 reviews

113,448 users

True "Send Later" functionality to schedule the time for sending an email.

Remove Duplicate Messages by Eyal Rozenberg

Download Now

Rated 4 out of 5 stars 300 reviews

103,965 users

Search and remove messages which are the same as other messages in your mail folders (referred to as duplicates or dupes).

TbSync by John Bieling

Download Now

Rated 5 out of 5 stars 262 reviews

72,375 users

TbSync is a central user interface to manage cloud accounts and synchronize their contact, task and calendar information with Thunderbird.

Thunderbird Conversations by Jonathan Protzenko, Standard8

Download Now

Rated 4 out of 5 stars 568 reviews

27,924 users

This addon provides a conversation view for Thunderbird, grouping messages together and allowing you to reply "inline" thus providing a more efficient workflow.

MEGAbird by MEGA

Download Now

Rated 4 out of 5 stars 42 reviews

38 users

Add MEGA support to Thunderbird's Filelink feature.

QuickFolders (Tabbed Folders) by Realraven (Axel Grude), Alexander Malfait

Download Now

Rated 5 out of 5 stars 190 reviews

15,950 users

The "Swiss army knife" of folders. Turn your favorites into tabs - open folders and subfolders, move mails without scrolling around or searching. powerful + easy.

See new mail at a glance after automatic filtering - supports quickFilters addon!

StartupMaster by htamas

Download Now

Rated 4 out of 5 stars 309 reviews

218 users

Asks for the master password at startup (fixes multiple password prompt)
  1. 1
  2. 2
  3. 3
Results 1–15 of 38

What are Collections?

Collections are groups of related add-ons that anyone can create and share.

Explore Collections