Up & Coming Extensions

Subscribe

Addressbooks Synchronizer

Synchronizes selected addressbooks with other instances of thunderbird
using ftp/webdav/imap servers

Rated 4 out of 5 stars (55)
32,056 users

sipgateFFX for Firefox and Thunderbird

The sipgate extension enables a practical overview for your account, direct call list notifcations, a speed access to several parts of sipgate's website, initiaiting click2dial calls, sending messages and faxes directly from your browser.

Rated 4 out of 5 stars (17)
5,464 users

Color Folders

Color your Folder Treeview Icons!

Rated 4 out of 5 stars (87)
20,866 users

Blinking Alert

Adds blink feature to the new-mail alert.
You can also disable auto-hiding of the alert.

Rated 4 out of 5 stars (22)
11,761 users

Mail Redirect Featured

Allow to redirect (a.k.a. "bounce") mail messages to other recipients

Rated 4 out of 5 stars (106)
28,262 users

Manually sort folders

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.

Rated 4 out of 5 stars (80)
65,570 users

TBDialOut

Place phone calls directly from Thunderbird's address book

Rated 5 out of 5 stars (8)
1,584 users

Auto Compress File

Compressor for attachment files. All platforms are supported (Windows, Linux and Macintosh).

Rated 5 out of 5 stars (14)
4,948 users

Auto Address Cleaner

Removes comment, display name automatically from addresses before sending mail.

Rated 5 out of 5 stars (40)
15,525 users

GNotifier No Restart

GNotifier integrates Firefox's notifications with the native
notification system from Linux desktop (or MAC OS X). It supports: GNOME, KDE, Xfce,
Cinnamon, MATE, LXDE and Unity.

Rated 5 out of 5 stars (26)
8,359 users

Silent Block

Minimum and fast URL blocking by regular expressions.

Rated 5 out of 5 stars (15)
5,373 users

Check and Send

Check the message contents and addresses before you send the message...

Rated 4 out of 5 stars (18)
22,293 users

Rikaichan Japanese-German Dictionary File

A dictionary file for Rikaichan.

Rated 5 out of 5 stars (1)
3,345 users

Header Tools Lite

Allows to modify the header and the source of messages

Rated 5 out of 5 stars (16)
3,791 users

PrintingTools

Adds some options to print messages and addressbooks

Rated 5 out of 5 stars (19)
25,036 users

Allow Empty Subject

Allows Thunderbird to send message without a subject.

Visit my Allow Empty Subject site for recent versions and news.

Rated 4 out of 5 stars (18)
1,195 users

TorBirdy

This extension configures Thunderbird to make connections over the Tor anonymity network.

Rated 5 out of 5 stars (4)
1,774 users

AutoConfiguration Hook

Provides ability to create E-mail accounts for specific ISP via the account creation wizard.

Not yet rated
4,810 users

Custom Address Sidebar

Allow you to help address sidebar more useful.

Rated 5 out of 5 stars (5)
3,638 users

Disable DragAndDrop (Thunderbird)

A Thunderbird extension which disables drag and drop in the folder pane.
This extension prevents unintended folder movement.

Rated 5 out of 5 stars (9)
1,661 users