Appearance and Customization

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AddressBook in Tab Requires Restart

Adds a button that can be put in toolbars which opens the addressbook in a new tab like pastismans AddressBookTab

Rated 4 out of 5 stars (1)
318 users
Updated April 19, 2017

New Tab Button Requires Restart

It provide you the following functionalities:
* Open a selected message in a tab by a toolbar button
* Open a message in a tab by double-clicking its header view (disabled by default)
* Hide Lightning's Today Pane on opening a tab

Rated 5 out of 5 stars (7)
1,895 users
Updated April 18, 2017

Priority Switcher Requires Restart

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

Rated 4 out of 5 stars (21)
1,975 users
Updated April 16, 2017

Maximize Message Pane Requires Restart

Maximize message pane by collapsing the thread pane. You can read a message in larger area without opening a new message window...

Rated 4 out of 5 stars (27)
3,251 users
Updated April 16, 2017

Get/Send-Button (minimized MagicSLR) Requires Restart

A combined Get/Send-Button and a popup menu with additional functions.

You may want to use it together with the following Add-ons:
* Send Later Button (by me / Alexander Ihrig)
* Send Later (by jikamens)

Rated 4 out of 5 stars (47)
11,062 users
Updated April 6, 2017

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

Rated 5 out of 5 stars (181)
113,152 users
Updated April 1, 2017

CuteButtons

Adds icons to buttons and/or menus.

Rated 4 out of 5 stars (106)
6,871 users
Updated March 29, 2017

Element Inspector

In the DOM Inspector,quickly navigate to the any elements

Rated 5 out of 5 stars (33)
4,085 users
Updated March 25, 2017

Menu On Top (SuperMenu Avatar)

Move the Thunderbird menu bar to the top. Choose from a selection of visual styles + colors. Add frequently used bookmarks and an avatar icon without wasting precious screen space. Bookmark your favorite sites, emails, folders or configuration pages.

Rated 5 out of 5 stars (5)
1,345 users
Updated March 9, 2017

lightningWeather Requires Restart

LightningWeather shows the weather forecast in the background of the calendar so you can easily coordinate your activities with the weather.

Rated 3 out of 5 stars (3)
363 users
Updated February 26, 2017

Simple Locale Switcher Requires Restart

An easier management of the user interface language

Rated 5 out of 5 stars (11)
27,613 users
Updated February 15, 2017

Responsible Blocker

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

Rated 5 out of 5 stars (1)
143 users
Updated February 13, 2017

Keep in Taskbar Requires Restart

A simple plugin that makes the Close button behave exactly like the Minimize one.

Not yet rated
268 users
Updated February 8, 2017

CustomizeMyBird

CustomizeMyBird add-on offers ui tweaks to improve Thunderbirds appearance (squared tabs, custom tab height, alternative Add-on Manager appearance, compact main toolbars and more).

Rated 4 out of 5 stars (6)
853 users
Updated February 1, 2017

AntiLostFilter Requires Restart

Фильтр для конференций AUTO.RU

Rated 5 out of 5 stars (1)
49 users
Updated January 31, 2017

关闭即最小化 Requires Restart

Use this to Minimize
点击关闭钮按等同于点击最小化按钮,使得firefox驻常任务栏--支持win10
适合理处因使用了大量的本脚和插件的时候firefox启动慢缓的问题
A remake of the MinimizeToTray-extension made to fit the Windows 10 taskbar. Instead of minimize the window to the tray it minimize it to the taskbar.

Rated 5 out of 5 stars (8)
166 users
Updated January 29, 2017

Sender Frequency Requires Restart

Adds a custom column for Sender Frequency to the thread pane

Rated 5 out of 5 stars (3)
95 users
Updated January 24, 2017

Disable About Something Requires Restart

Provides ability to disable "about:*" pages by the configuration.

Rated 5 out of 5 stars (1)
551 users
Updated January 24, 2017

Stylish-Custom Requires Restart

custom additions to Stylish extension

Rated 5 out of 5 stars (6)
930 users
Updated January 20, 2017

Column Reader

Web reader for wide screens and long documents. Read with pleasure in attractive layouts.

Rated 5 out of 5 stars (13)
837 users
Updated January 18, 2017