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Remove Duplicate Messages (Alternate) Requires Restart

Search and remove messages which are the same as other messages in your mail folders (referred to as duplicates or dupes).

Rated 4 out of 5 stars (147)
61,753 users
Added March 13, 2007

FG Printers Requires Restart

This extension allows you to modify the printing output of Mozilla Calendar. You can change the font, font-sizes and display of colors. Plus category colors are actually printed and end date calculation now works!

Rated 4 out of 5 stars (27)
820 users
Added March 12, 2007

Growl Notifications Requires Restart

Official Growl project to integrate it with the Mozilla code base.

Rated 4 out of 5 stars (22)
263 users
Added March 10, 2007

Provider for Google Calendar Requires Restart

Allows bidirectional access to Google Calendar

Rated 4 out of 5 stars (1,050)
300,164 users
Added March 10, 2007

Lightning Nightly Updater (Unofficial) Requires Restart

Quickly get to the latest nightly build of Lightning relevant to the version of Thunderbird and the OS you're on.

Rated 4 out of 5 stars (39)
9,460 users
Added March 8, 2007

Disable DragAndDrop (Thunderbird) Requires Restart

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

Rated 5 out of 5 stars (10)
2,008 users
Added February 28, 2007

Compact Menu 2 Requires Restart

Add a compact menu button to the navigation toolbar, and hide the menu bar.

Rated 4 out of 5 stars (351)
6,581 users
Added February 20, 2007

Viral Threat Level Requires Restart

Adds an image to the status bar indicating the current threat level of the internet. It allows quick access to security information that you can use to help protect yourself, and links to antivirus software comparisons and security extensions.

Rated 4 out of 5 stars (22)
907 users
Added February 19, 2007

Keyword Highlight Requires Restart

Keywordhighlight changes color/size/weight of your favorite keywords...

Rated 4 out of 5 stars (20)
3,580 users
Added February 19, 2007

Thunderled Requires Restart

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)
35 users
Added February 17, 2007

XML Digital Signature Tool Requires Restart

XML Digital Signature Tool is a Firefox add-on for processing Digital Signature in XML documents
(Please read the installation instruction in the "Developer Comments" section before downloading)

Rated 4 out of 5 stars (3)
177 users
Added February 13, 2007

Account Manager Toolbar Button Requires Restart

This is a small devision of Toolbar Buttons https://addons.mozilla.org/firefox/2377/ or
http://codefisher.org/toolbar_button/

Not yet rated
24 users
Added February 11, 2007

Print Preview Toolbar Button Requires Restart

A small devision of Toolbar Buttons https://addons.mozilla.org/firefox/2377/ or http://codefisher.org/toolbar_button/

Not yet rated
36 users
Added February 11, 2007

Options Toolbar Button Requires Restart

This is a small devision of Michael Buckley's Toolbar Buttons extension. https://addons.mozilla.org/firefox/2377/ or http://codefisher.org/toolbar_button/

Rated 5 out of 5 stars (2)
44 users
Added February 11, 2007

X-notifier (for Gmail,Hotmail,Yahoo,AOL ...) Requires Restart

Notifier for gmail, yahoo, hotmail, aol and more webmails.
X-notifier(aka WebMail Notifier) checks your webmail accounts and notifies the number of unread emails...
Supports : gmail, yahoo, hotmail, POP3/IMAP, facebook, twitter and more

Rated 4 out of 5 stars (1,695)
88,920 users
Added February 9, 2007

Alphanumerator Requires Restart

Convert alphanumeric phone numbers to just numbers. Simply highlight the text, right-click it, and click "Alphanumerate". For example, 1-800-PICK-UPS would be converted to...

Rated 5 out of 5 stars (2)
45 users
Added February 6, 2007

Key Manager Requires Restart

KeyManager Tool: Firefox Add-on for Key Generation, Certificate Enrollment, CRL Signing, and Identity and Authority Delegation

Rated 3 out of 5 stars (21)
805 users
Added February 6, 2007

Priority Switcher Requires Restart

Change priority of the received messages from the toolbar button and the context menus...

Rated 4 out of 5 stars (18)
1,879 users
Added February 3, 2007

LookOut Requires Restart

LookOut is a plugin which allows Thunderbird to interface with Microsoft's mail tools by decoding metadata and attachments encapsulated/embedded in a TNEF encoded attachment (aka winmail.dat).

Rated 4 out of 5 stars (150)
191,557 users
Added January 31, 2007

parolu Requires Restart

Parolu enables Firefox to do speech synthesis of web pages written in Esperanto, useful for the blind (mainmenu.parolu) and for language learners (contextmenu.parolu). You'll need to install MBROLA on your machine first.

Not yet rated
11 users
Added January 31, 2007