Newest Extensions



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

Not yet rated
2 users
Added April 25, 2015


A Greenlandic spell checker for Mozilla products.

Not yet rated
9 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)
32 users
Added March 22, 2015

ThunderStats! Your Thunderbird Statistics!

This addon adds awesome statistics to your beloved Thunderbird!

Not yet rated
51 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
3 users
Added March 9, 2015


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

Not yet rated
11 users
Added March 7, 2015

Force Authentication at Startup.

Always ask password and hide UI at the startup.

Not yet rated
1 user
Added March 5, 2015

Elegant Scrollbar Cursors No Restart

Display helpful, informative cursors for scrollbars.

Not yet rated
78 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 (1)
609 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
80 users
Added February 25, 2015

FileRun for Filelink

Add FileRun support to Thunderbird's Filelink feature.

Rated 5 out of 5 stars (1)
23 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)
45 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.

Not yet rated
104 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
22 users
Added February 15, 2015

Path Linker


Not yet rated
1 user
Added February 11, 2015



Not yet rated
114 users
Added February 11, 2015

Auto Zoomer

Keep a preset zoom level across thunderbird restarts.
Usefull on High DPI screens.

Rated 5 out of 5 stars (1)
82 users
Added February 9, 2015

Simple Week View

A simple week view for Lightning, as in the print layout.

Rated 4 out of 5 stars (2)
285 users
Added February 9, 2015