Add-ons
Miscellaneous
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Messenger - Quick Access
Quick Access to Facebook Messenger in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.
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...
SMTP Control
Requires Restart
SMTP Control is a Thunderbird Add-ons offering dynamic selection of outbond SMTP server while sending a message.
By default thunderbird offer the ability to define a list of SMTP servers. With one global default server for all email accounts or one ...
Always HTML
Requires Restart
Disable automatic degradation of HMTL mails to plain-text mails.
No More Install Delay
UPDATE: XPI delay has been removed in Firefox 40!
Disable the install delay in Firefox. New 2.0 version now includes GreaseMonkey scripts!
Unlike similar addons, this works on Firefox 4 and beyond.
Unified Folders Debugging
An add-on to help debugging problems with the Unified Folders mode.
Grocery List Generator
Requires Restart
The GLG (Grocery List Generator) is a helpful little tool to store your recipe-ingredients and other groceries you need regularly. It creates a well-organized grocery list to help make your grocery shopping as easy as possible.
Custom Geometry
Requires Restart
Resizes and positions the Firefox window according to your settings.
Snakes by Bluemods
Classic Snakes game at your fingertips.
Snakes by Bluemods is a free-to-play single-player classics arcade game designed and developed by Justin Gates at Bluemods.com. The game allows the players to maneuver a snake made up of tiny squares.
Becky! Import
Requires Restart
Provides the ability to import messages, address book, filters and account settings from Becky!, an email client used in Japan.
SortRecipients
Requires Restart
SortRecipients lets you alphabetically sort the recipients lists (To/Cc) when composing a message, simply by clicking the Sort button, which it adds to the Compose window toolbar.
techblocker
Edit Custom Size Image
Requires Restart
Fixes a bug in SeaMonkey Composer and Thunderbird Message Compose whereby the Image Properties dialog would always reset the image to actual size.
Play drums!
PathExplorer
Requires Restart
Adds "Open PATH with Explorer" to the message pane's right-click menu.
Orb VideoMail
Requires Restart
Toolbar button for creating videomails OF ANY LENGTH right from within Thunderbird. This is videomail freed from attachments!
JSON Calendar Provider
Requires Restart
JSON based calendar Provider - designed to make writing backends for calendars trivial
To create your own collections, you must have a Mozilla Add-ons account.
