Newest Extensions


Keyfixer Requires Restart

(Note: Version 0.5.34 has been updated to work with Firefox 34)

Keyfixer patches the key bindings for Mac OS X users of Firefox and Thunderbird to match the key bindings of Windows

Rated 4 out of 5 stars (33)
259 users
Added Nov. 29, 2008

Extra Folder Columns Requires Restart

This extension is for those TB3 users who want the multiple-columns view that TB2 allowed

IMPORTANT: If you are using Thunderbird 38 or later, uninstall this addon. The functionality is in core now.

Rated 4 out of 5 stars (214)
4,842 users
Added Nov. 22, 2008

ViewAbout Requires Restart

Enables access to various about: dialogs from the View menu.

Rated 4 out of 5 stars (16)
2,446 users
Added Nov. 21, 2008

Evolution Mirror Requires Restart

Mirrors calendars to Evolution Database Server to allow them to be viewed through the gnome clock applet

Rated 4 out of 5 stars (46)
453 users
Added Nov. 18, 2008

Mass Password Reset Requires Restart

Sometimes you change a central password that ends up changing 12 others. This add on helps you reset multiple passwords in the Firefox/Thunderbird password manager.

Rated 5 out of 5 stars (31)
1,073 users
Added Nov. 18, 2008

Bugmail Requires Restart

This extension adds bug status to the header pane. It currently supports Bugzilla, Trac, Flyspray and Launchpad.

Rated 4 out of 5 stars (21)
84 users
Added Nov. 13, 2008

Open Addons TB Requires Restart

Open Add-ons window with one click

Rated 5 out of 5 stars (2)
2 users
Added Oct. 28, 2008

Stacked Inspector Requires Restart

Switch DOM Inspector to an over/under vertical layout instead of the usual side-by-side panel layout.

Rated 5 out of 5 stars (10)
145 users
Added Oct. 27, 2008

ReloadPAC Requires Restart

Workaround for Bug 351163 (Thunderbird bypasses proxy.pac for first connection).

Not yet rated
7 users
Added Oct. 23, 2008

KeePass Helper Requires Restart

Adds a hostname, URL, or email account ID to the application's window name (e.g., that of Firefox or Thunderbird) to make it recognizable to password manager utilities like KeePass.

Rated 4 out of 5 stars (40)
2,849 users
Added Oct. 12, 2008

Ruler Bar Requires Restart

This appends a ruler to the mail composition window.

Rated 4 out of 5 stars (8)
1,164 users
Added Oct. 10, 2008

JSON Calendar Provider Requires Restart

JSON based calendar Provider - designed to make writing backends for calendars trivial

Rated 5 out of 5 stars (2)
1 user
Added Oct. 4, 2008

View Your Certificates Email Address

Adds a column for displaying the certificates Email address to the "Your Certificates" tab of the Certificate Manager

Rated 5 out of 5 stars (5)
471 users
Added Sept. 29, 2008

File Bug Report Requires Restart

For testers and developers who submit bug reports: Adds "File Bug Report" command to Tools menu. Opens browser at the Bugzilla enter-bug page in guided format with product and build identifier.

Rated 5 out of 5 stars (1)
0 users
Added Sept. 27, 2008

Zenbu-Robot Requires Restart

This is a Joke Add-on.
Externals of Firefox and Thunderbird are changed.

Not yet rated
0 users
Added Sept. 19, 2008

New Mail Icon Requires Restart

Displays an icon in the system tray when new mail arrives.

Rated 4 out of 5 stars (37)
0 users
Added Sept. 16, 2008

A Better S/MIME GUI Requires Restart

Provides a better S/MIME GUI for Thunderbird.

Rated 3 out of 5 stars (2)
0 users
Added Sept. 11, 2008

S/MIME Security for Multiple Identities Requires Restart

Adds S/MIME Security configuration to the multiple identities dialog.
Meanwhile this feater has been integrated into Thunderbird 3

Rated 5 out of 5 stars (7)
0 users
Added Sept. 9, 2008

Colorify Unread Watched NNTP Requires Restart

Colorizes names of newsgroups that have watched threads with unread messages.

Rated 1 out of 5 stars (2)
0 users
Added Sept. 7, 2008

Chromatasks Requires Restart

Color task rows with calendar color

Rated 4 out of 5 stars (20)
1,224 users
Added Sept. 5, 2008