Add-ons
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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.24,586 users -
Fixed version (no 90 day timer till silent failure) of the popular "Theme Font & Size Changer for Thunderbird" addon15,384 users -
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.14,012 users
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Adds a button that can be put in toolbars which opens the addressbook in a new tab like pastismans AddressBookTab10,093 users
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Extends the original "Get" button (optionally) to "Get/Send" and adds 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)8,379 users
Top Rated See all »
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Makes search results sort by "date" instead of "relevance" by default.3,569 users -
A Thunderbird extension which disables drag and drop in the folder pane.
This extension prevents unintended folder movement.2,495 users -
![Icon for NoiaButtons [Tb45-58] (discontinued)](https://addons.thunderbird.net/user-media/addon_icons/352/352576-32.png?modified=1538896214)
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.294 users -
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).5,509 users -
Hide title bar if window is maximized.
This add-on has been discontinued!
Legacy extensions support will be dropped in Firefox 57. If you interest in CSD on Linux, please track progress on https://bugzilla.mozilla.org/show_bug.cgi?id=1283299.30 users -
Restores version numbers for all installed add-ons inside Add-on Manager on Firefox, Thunderbird and Seamonkey.251 users
Recently Added See all »
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Shows a colorful border around the "New Message" window, so you can tell different identities apart.
Builds on the original BorderColors and the "GT" version, adding different border styles.530 users -
⦁ NEW! Floating Toolbars & Menus with autohide!
⦁ "Maximize your screen content space by adjusting window TitleBar, Tabs, Toolbars, etc!".
⦁ Multiple Configurable Actions for both screen-corner buttons: Application/'Home' & Close buttons!104 users -
Sets the urgent flag (X11) of the Thunderbird window under Linux in case of new messages. Does ignore special folders like Drafts, Junk and such.32 users
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Make some text notable on the each folder in folder's property dialog box.4 users -
Fixed version (no 90 day timer till silent failure) of the popular "Theme Font & Size Changer for Thunderbird" addon15,384 users
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Provides a special button to send mail to internals. "Internals" may be company, organization, or user group and so on.6 users
See all 135 extensions in Appearance and Customization »
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