Add-ons
Extensions by Weekly Downloads
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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).
MinimizeToTray revived
Requires Restart
Minimizes windows into the system tray.
Element Hiding Helper for Adblock Plus
Fight the text ads! Element Hiding Helper is a companion extension for Adblock Plus meant to make creating element hiding rules easier.
TbSync
TbSync is a central user interface to manage cloud accounts and synchronize their contact, task and calendar information with Thunderbird.
QuickNote
Mail Redirect
Featured
Allow to redirect (a.k.a. "remail") mail messages to other recipients.
UnMHT
UnMHT allows you to view MHT (MHTML) web archive format files, and save complete web pages, including text and graphics, into a single MHT file in Firefox/SeaMonkey.
Color Transform
Transform the colors of entire web pages or selected elements. Combine predefined themes with basic transforms. Save transforms for specific web domains.
Thunderbird Conversations
This addon provides a conversation view for Thunderbird, grouping messages together and allowing you to reply "inline" thus providing a more efficient workflow.
Signature Switch
Requires Restart
Switch the signature on/off or choose a new one from your predefined set.
CompactHeader
Requires Restart
Featured
Add symbol in header plane to switch between compact and expanded view. Options to switch between one or two lines compact view, which buttons should be displayed in header pane. New beta version available from http://compactheader.mozdev.org/
FireTray
Requires Restart
A system tray extension for Linux and Windows, allowing to set up custom icon, hiding to tray instead of closing, display the number of unread messages in mailing applications, and other features ...
MEGAbird
CustomizeMyBird
This add-on offers ui tweaks to improve Thunderbirds appearance (classic squared tabs, custom tab height, custom scrollbars, alternative Add-on Manager/Preferences appearance, compact main toolbars, toolbar icon sets and many more).
Menu Wizard
Requires Restart
Customize menus : Helps removing, moving and renaming menus and menu items
Colorize important menu for ease of use! (use Style (CSS))
Change or disable any of used keyboard shortcuts
Support: Firefox, Thunderbird and SeaMonkey
Simple Locale Switcher
Requires Restart
An easier management of the user interface language
GuifiProxy
Requires Restart
Simple proxy manager
- Change proxy with two clicks
- Import and export proxies lists
- Manually add, delete and edit proxies
- Automatic authentication on proxies (bypass popup with login and password)
- Proxysel replacement
Theme Font & Size Changer for ThunderBird
Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.
Download Status Bar
If you are the kind of person who likes to have total control over every aspect of your downloads, "Download Status Bar" is the add-on you are looking for.
Lightning Calendar Tabs
Requires Restart
Displays tabs which allows quick navigation between time periods in Lightning calendar. All views of calendar are supported. Color of tab texts can be adjusted.
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