Appearance and Customization
Send Later Button Requires Restart
A simple button to invoke the (already existing) send later functions.
ansitel Click-to-Dial Thunderbird Requires Restart
Click-to-Dial Plugin für ansitel VoIP-Telefonanlagen zum Markieren und Wählen von Rufnummern in Mozilla Thunderbird.
Lowercase Email Addresses in Message Headers Requires Restart
Shows lowercase email addresses in message headers and their tooltips.
Sender Frequency Requires Restart
Adds a custom column for Sender Frequency to the thread pane
This addon returns the old view of the pop-up notifications, as in Firefox 4.0 - 43.0
Add-on for Thunderbird that replaces the built-in notifications with OS native ones. It supports most Linux Desktop Environments as well as Windows 8.1/10.
Email Addresses in Message Headers Requires Restart
Shows email addresses in message headers, including those of contacts, and provides control over message header presentation.
Stylish-Custom Requires Restart
custom additions to Stylish extension
No need flash plugin on embeded youtube movies
关闭即最小化 Requires Restart
Use this to Minimize
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.
Hide Badge Icon Requires Restart
Hides the badge for new messages of the Thunderbird app icon on Mac OSX.
Thunderbird-DontRestoreTabs Requires Restart
Allows the user not to restore tabs at startup in Thundertbird
Contact DnD Requires Restart
Enables one to assign a photo to a contact by dragging and dropping it from the local filesystem.
Pic Zoom Requires Restart
Zoom in and out of any image on a page
Lightning Colors Reminder Requires Restart
Let's show the calendar color on Lightning reminders!
Disable About Something Requires Restart
Provides ability to disable "about:*" pages by the configuration.
A small and simple extension, which replaces the curved tabs of the Australis design with squared ones, similar to Thunderbird v14 and prior.
A button to be able to open the profile folder, along with two buttons to create profiles, and also switch the current profile.
[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.