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Keep in Taskbar Requires Restart

A simple plugin that makes the Close button behave exactly like the Minimize one.

Not yet rated
1,012 users
Added February 7, 2017

MyAdFilter

With MyAdFilter, free content creators propose you only one ad. Apart from those, as your usual ad-blocker, MyAdFilter disables all ads.

Not yet rated
50 users
Added February 6, 2017

Great DANE Requires Restart

Retrieve DANE S/MIME Certificates for Encryption/Signing.

This extension enables users to automatically retrieve S/MIME certificates using the Great DANE Engine (https://github.com/grierforensics/Great-DANE-Engine).

Not yet rated
64 users
Added February 1, 2017

Request Assistant Requires Restart

Currently logs all URLs accessed by the app (into app console & into standard output stream (using dump()), whether the request is explicitly made by the user or automatically made by the app itself.

Not yet rated
20 users
Added January 28, 2017

TbSync (Provider for Exchange ActiveSync) Requires Restart

Synchronize Exchange ActiveSync accounts to Thunderbird Addressbook and Calendar, also supports outlook.com accounts.

Rated 5 out of 5 stars (6)
1,125 users
Added January 21, 2017

lightningWeather Requires Restart

LightningWeather shows the weather forecast in the background of the calendar so you can easily coordinate your activities with the weather.

Rated 4 out of 5 stars (4)
915 users
Added January 15, 2017

Lightning Invitation Notifier Requires Restart

This extension is an extension to Mozilla Lightning for Thunderbird.
It shows a toast message and opens the invitations window when an invitation arrives.

Rated 4 out of 5 stars (2)
1,264 users
Added January 10, 2017

Protected E-mail Addresses Requires Restart

Generates protected and disposable e-mail addresses and filters junk mail sent to invalid addresses.

Rated 4 out of 5 stars (1)
134 users
Added January 5, 2017

eBay Template Generator Compatible with Firefox 57+

Generate e-bay templates online - in few minutes.

Rated 5 out of 5 stars (3)
39 users
Added December 30, 2016

Delete Read Emails Requires Restart

Adds a button in Thunderbird's toolbar that enables you to delete all your read emails at once

Not yet rated
50 users
Added December 29, 2016

Hütte Nippon for Thunderbird Requires Restart

Display weather report for a week of Japan.

Not yet rated
25 users
Added December 29, 2016

Edit Message Encoding Fallback Requires Restart

Fallback to a safe encoding, if you are replying to a message with unsupported encoding like UTF-16LE. (workaround for the Bug 961983)

Not yet rated
20 users
Added December 6, 2016

ThunderKeepPlus

Google Keep for Thunderbird

Rated 5 out of 5 stars (7)
1,904 users
Added November 5, 2016

Logout Requires Restart

This extension adds "Logout" to the folders context menu.
After you "Logout" you will be asked again for passwords for this account (incoming and outgoing).

Rated 5 out of 5 stars (1)
62 users
Added October 30, 2016

JIRA Integration Plugin (Beta) Requires Restart

Create Jira Tickets directly from within Mozilla Thunderbird (based on E-Mails). This Addons saves your Username and Password in clear text. Use on your own risk. (Also, you might need to disable the CSRF Filter in your JIRA Instance.)

Not yet rated
27 users
Added October 30, 2016

CustomizeMyBird

CustomizeMyBird add-on offers ui tweaks to improve Thunderbirds appearance (squared tabs, custom tab height, alternative Add-on Manager appearance, compact main toolbars and more).

Rated 5 out of 5 stars (3)
986 users
Added October 28, 2016

Zoiper Thunderbird Plugin Requires Restart

It allows you to make calls via Zoiper Communicator from Mozilla Thunderbird.

Not yet rated
114 users
Added October 24, 2016

Quick Locale Switcher 2 Requires Restart

Allows you to quickly switch to a different language (User Interface, Spell Checker Dictionary and Website content) in your Mozilla application.

Rated 5 out of 5 stars (2)
2,010 users
Added October 17, 2016

Attach from Clipboard Requires Restart

Create file attachments directly from the system clipboard.

Rated 4 out of 5 stars (3)
970 users
Added October 17, 2016

Reply As Original Recipient Requires Restart

Reply with the From: field set to the To: field from the original email.

Rated 5 out of 5 stars (2)
179 users
Added October 17, 2016