Voorkoms en aanpassing
Checkbox Column Requires Restart
Adds a custom column to Thunderbird's messages list (thread tree), making it easier to select multiple messages on devices with a touchscreen display.
Forecastfox (fix version) Requires Restart
Get international weather forecasts from AccuWeather.com and display them in any toolbar or statusbar with this highly customizable and unobtrusive extension.
Now Available for: Firefox, Thunderbird and SeaMonkey!
Provides ability to override UI elements' label, tooltip text, etc.
ViewAbout Requires Restart
Enables access to various about: dialogs from the View menu.
Personas (now known as lightweight themes) are free, easy-to-install "skins" for Firefox. Personas Plus extends that built-in functionality to give you even more control and easier access to new, popular, and your own favorite themes.
Tategaki Requires Restart
Tategaki allows vertical writing-mode on mail compose window.
[Restartless] [e10s Compatible]
Easily viewable version info in the Add-ons Manager on Firefox/Thunderbird 24.0 and later.
Also restores the add-on version number on Firefox/Thunderbird 40.0 and later.
Search Results Sort By Date Not Relevance Requires Restart
Makes search results sort by "date" instead of "relevance" by default.
TotalQuickFilter Requires Restart
Reboot the QuickFilter bar.
Layout Button Requires Restart
A toolbar button to switch between layouts.
CuteButtons - Crystal SVG Requires Restart
Adds colourful icons to buttons and menus
Keep your menus in check by filtering out items you never use.
The "Responsible Blocker" arrives to save the Internet, this extension blocks all those annoying ads, but allows only small and acceptable ads, so the websites you like can continue online.
The "Responsible Blocker" arrives to save the Internet!
In the DOM Inspector,quickly navigate to the any elements
Simple Locale Switcher Requires Restart
An easier management of the user interface language
Large Fonts Requires Restart
This add-on enables you to change the font size of the plain text editor of Thunderbird.
enlarging the navigation links on the pages
Darkens the background of the page
Restores version numbers for all installed add-ons inside Add-on Manager on Firefox, Thunderbird and Seamonkey.
The 'NoiaButtons' add-on offers cartoonish toolbar button icons (known from Noia themes) for default theme and lightweight themes. Further more lite silver and dark versions of Noia themes are included.