Extensions by Name



P2P e-mail delivery.

Rated 4 out of 5 stars (1)
308 users

ThunderBrowse Featured

Did your friend send you a cool link? Want to read the rest of that interesting article? Don't want to open up your web browser just to view it? You don't have to! Just view it in Thunderbird with ThunderBrowse!

Rated 3 out of 5 stars (155)
28,851 users


ThunderCal simply gives you a toolbar button that you can use to run Google Calendar inside Thunderbird. Inspired by the ThunderWave add-on.

Rated 4 out of 5 stars (14)
11,293 users


Google Keep for Thunderbird

Rated 4 out of 5 stars (5)
1,375 users


For ASUS laptop owners, each time a new email is in your inbox, the email led will switch on...

Rated 4 out of 5 stars (10)
50 users


Links to your emails from other apps such as Firefox!

Rated 4 out of 5 stars (18)
835 users


ThunderPEC semplifica la gestione della Posta Elettronica Certificata (PEC) in Thunderbird.

Rated 4 out of 5 stars (6)
13,454 users


This add-on provides a few new ways to keep Thunderbird clean.

Rated 4 out of 5 stars (30)
4,387 users


ThunderRetract implements client-side eMail retraction into Thunderbird. This is done showing messages differences in original and retracted one.

Rated 4 out of 5 stars (5)
8 users


ThunderSec is a security extension that provides several pieces of additional security functionality, including DNS-based Blackhole List (DNSBL), Realtime Blackhole Lists (RBL), DomainKeys Identified Mail (DKIM) and Sender Policy Framework (SPF).

Rated 4 out of 5 stars (2)
159 users


Create screenshots of emails

Rated 5 out of 5 stars (2)
16 users


Changes the product name in various parts of Thunderbird for everlasting naming fun.
Make your Thunderbird wear a new mask every time.

Rated 4 out of 5 stars (8)
147 users

ThunderStats! Your Thunderbird Statistics!

Do you remember the old good Eudora statistics? Do you miss them?
Using this addon you can finally keep an eye on how you use your beloved Thunderbird!

Rated 5 out of 5 stars (2)
246 users


Allows to synchronise Thunderbird's addressbook with external directories/files. Every contact is exported/compared with an external file. Right now, only vCard version 2.1 is supported as export file format.

Rated 4 out of 5 stars (15)
11,056 users


This add-on is a button on your toolbar that lets you open web apps as Tabs in Thunderbird. Use it to load Google Mail, Google Wave, Google Voice, and other "inboxes" (or any url) as tabs within Thunderbird, making it your communications hub.

Rated 4 out of 5 stars (10)
453 users


quote forwarded message just as replying

Rated 5 out of 5 stars (1)
15 users


Have ThunderBrowse version 2.8.7 or earlier? Install 3.0 from here: https://addons.mozilla.org/en-US/thunderbird/addon/5373 YOU DO NOT NEED TO INSTALL THUNDERUPDATE. GO INSTALL THUNDERBROWSE INSTEAD.

Rated 5 out of 5 stars (11)
29 users


Organize email into folders quickly and easily.

Rated 3 out of 5 stars (3)
247 users


A Timeline calendar view

Rated 4 out of 5 stars (36)
1,352 users

Timer Fire

A simple tool to trigger some of the background timers.

Rated 5 out of 5 stars (1)
33 users