Newest Extensions


Screen-sharing extension for No Restart

Screen-sharing extension for

Not yet rated
5 users
Added May 26, 2015

Rage Hoye

Prevents you from sending offensive mails based on a keyword list

Not yet rated
1 user
Added May 25, 2015

Toggle Quotes

A toolbar button and a shortcut key for the QuoteCollapse extension.

Not yet rated
13 users
Added May 21, 2015


NirvanaHQ for Thunderbird

Not yet rated
2 users
Added May 16, 2015


Show a column with the Gravatar-picture and sender-name in email folders.

Not yet rated
24 users
Added April 25, 2015


A Greenlandic spell checker for Mozilla products.

Not yet rated
27 users
Added April 19, 2015

RadioGNU Protocol

Assists to setup a chat account for RadioGNU

Not yet rated
1 user
Added April 10, 2015

RadioGNU Now Playing No Restart

Show what I’m listening from RadioGNU

Not yet rated
1 user
Added April 10, 2015

Russian Spelling Dictionary

Select a text in Russian appearing on any web page and get a spelling check for it immediately!

Rated 5 out of 5 stars (3)
54 users
Added March 22, 2015

ThunderStats! Your Thunderbird Statistics!

This addon adds awesome statistics to your beloved Thunderbird!

Not yet rated
69 users
Added March 21, 2015

Customizable LDAP AddressBook Auto Complete

Provides (restores) customizability of auto complete items for LDAP addressbook items, and more features.

Not yet rated
16 users
Added March 9, 2015


This Extension lets you send Mails to both, first and second email address...

Not yet rated
14 users
Added March 7, 2015

Force Authentication at Startup.

Always ask password and hide UI at the startup.

Not yet rated
3 users
Added March 5, 2015

Elegant Scrollbar Cursors No Restart

Display helpful, informative cursors for scrollbars.

Not yet rated
82 users
Added February 27, 2015

Extra Format Buttons

Adds a font size (in pixels), strikethough, subscript and superscript buttons to Thunderbird's Compose Window.

Rated 5 out of 5 stars (2)
963 users
Added February 26, 2015

clamdrib LIN

"clamdrib LIN" ist wie der Name schon sagt die Weiterentwicklung des Add-on clamdrib, allerdings nur noch für Linux. Sämtliche E-Mails, Feeds und News werden auf Viren und anderes Ungeziefer geprüft und gemeldet. Gelöscht wird hierbei jedoch nichts!

Not yet rated
102 users
Added February 25, 2015

FileRun for Filelink

Add FileRun support to Thunderbird's Filelink feature.

Rated 5 out of 5 stars (1)
29 users
Added February 23, 2015

Go Google No Restart

Open google instantly with this super fast add on.And its just < 10KB.!
No need to type google in your address bar anymore.Just try this awesome to open up google instantly.

Rated 5 out of 5 stars (1)
39 users
Added February 17, 2015

Toggle Folderpane View

This addon provides a toolbar button for toggling between the "All" and "Favorite" views in the folderpane.

Rated 5 out of 5 stars (1)
141 users
Added February 17, 2015


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).

Not yet rated
40 users
Added February 15, 2015