Recently Updated Extensions
ThunderPEC Requires Restart
ThunderPEC semplifica la gestione della Posta Elettronica Certificata (PEC) e delle comunicazioni PCT e FatturaPA in Thunderbird.
ReplyWithHeader Requires Restart
Outlook style headers and few goodies for Thunderbird & Postbox.
TitleCase For Thunderbird Requires Restart
Transform strings into Title Case, Proper Case, Start Case, Camel Case, Upper Case, and Lower Case. Highlight your text and only changing what you highlighted.
Secure Addressing Requires Restart
This add-on provides features to avoid sending emails to wrong addresses. Key features are a confirmation window of recipient's addresses upon sending, name and affiliation look up at mail composition and main windows, and safe auto completion.
lightningWeather Requires Restart
LightningWeather shows the weather forecast in the background of the calendar so you can easily coordinate your activities with the weather.
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.
CardBook Requires Restart Featured
Mail Redirect Requires Restart Featured
Allow to redirect (a.k.a. "remail") mail messages to other recipients.
Folder Pane View Switcher Requires Restart
Add arrow buttons for rotating among folder views, and switch to "All Folders" view when hovering over the folder pane during drag & drop.
Nightly Tester Tools Requires Restart
Useful tools for the nightly tester.
Auto Compress File Requires Restart
Compressor for attachment files. All platforms are supported (Windows, Linux and Macintosh).
DKIM Verifier Requires Restart
Verifies the DKIM-Signature of an e-mail.
Finally, an efficient blocker. Easy on CPU and memory.
Get a faster browsing experience by blocking nasty web resources using Bluhell Firewall, the lightweight Ad-Blocker and Tracking/Privacy Protector.
A small and simple extension, which replaces the curved tabs of the Australis design with squared ones, similar to Thunderbird v14 and prior.
Synchronize your favorite RSS sources with Thundebird and Feedly
EditEmailSubject (Edit email Subject) Requires Restart
This module allows you to change/edit email subjects
Google Keep for Thunderbird
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.