Most Popular Extensions
New Account Types Requires Restart
Allows other extensions to create new account types. This extension (sometimes called SkinkGlue) should not normally be downloaded directly by users, but instead is included in bundles with other extensions, such as the extension TweeQuilla.
Style the web your way- provides a GUI that allow web users to change the look-and-feel of arbitrary web pages to something more pleasant and accessible.
Splash! (Compatible version of Firefox 4) Requires Restart
Adds a splash screen. Supported in Firefox, Flock, Thunderbird, Sunbird, eMusic Remote, Songbird and Sunbird.
about:support Requires Restart
A Mozilla Messaging addon to assist in product support.
RunBeforeGetMail Requires Restart
Execute a program before Get Mail button runs.
Mailing List Manager Requires Restart
Clean up your Inbox and Organize your Mailing Lists
Electoral College Monitor Requires Restart
This extension will keep you up-to-date with the 2008 Presidential election. It also tracks the Senate and House race.
Copy Link Name for Thunderbird Requires Restart
It's like Copy Link Name for Firefox but for Thunderbird!
NotTo Requires Restart
Are you using mailing lists in Thunderbird ?
Do you forward a lot of mail ?
If so, this extension may be useful for you.
about:kittens Requires Restart
Baby cats and kittens in the about box...
Nokia Synchronization Requires Restart
Synchronize Thunderbird and Nokia phone...
Open all links Requires Restart
Open all http(s) links in an e-mail message with a single click...
SenderFace Requires Restart
SenderFace enables you to associate images (faces) with Email senders (from...
Indic IME Requires Restart
Indic IME toolbar facilitates typing in Indian Languages in web pages...
MR Tech - Gant Icon Pack Requires Restart
This icon pack is specifically designed to replace the menu icons supplied by MR Tech Local Install (should work with my MR Tech About:About 2.x & Toggle Preview Pane extensions too). As a request from Frackounet (French locale translator) I...
Message Notes Requires Restart
Add Notes to messages. Notes are stored in a plaintext file, typically in your profile. The plaintext notes file can be stored elsewhere to enable sharing of notes across a...
Quickfile Requires Restart
Quickfile is an extension for Mozilla Thunderbird which initially aimed to speed up filing of messages into your mail folder heirarchy but now includes features for navigation and folder creation...
Complete master password Requires Restart
The goal is to avoid to have to enter the master password on application startUp.
The extension is not self-sufficient, a script has to extract the master for a secure storage like gnome-keyring, then to transfer it through an environment variable.
OpenMixTools Requires Restart
convert session files of yamaha consoles, print channel lists and reports
Kardia CRM Add-on for Thunderbird Requires Restart
(beta) Integrates with the Kardia CRM system, to provide information about the people in the Kardia CRM database directly via Thunderbird.
NOTE: This add-on requires a Kardia CRM server (see description for more information).