Keep in Taskbar Requires Restart
A simple plugin that makes the Close button behave exactly like the Minimize one.
With MyAdFilter, free content creators propose you only one ad. Apart from those, as your usual ad-blocker, MyAdFilter disables all ads.
Great DANE Requires Restart
Retrieve DANE S/MIME Certificates for Encryption/Signing.
This extension enables users to automatically retrieve S/MIME certificates using the Great DANE Engine (https://github.com/grierforensics/Great-DANE-Engine).
Request Assistant Requires Restart
Currently logs all URLs accessed by the app (into app console & into standard output stream (using dump()), whether the request is explicitly made by the user or automatically made by the app itself.
Delete Read Emails Requires Restart
Adds a button in Thunderbird's toolbar that enables you to delete all your read emails at once
Hütte Nippon for Thunderbird Requires Restart
Display weather report for a week of Japan.
Edit Message Encoding Fallback Requires Restart
Fallback to a safe encoding, if you are replying to a message with unsupported encoding like UTF-16LE. (workaround for the Bug 961983)
JIRA Integration Plugin (Beta) Requires Restart
Create Jira Tickets directly from within Mozilla Thunderbird (based on E-Mails). This Addons saves your Username and Password in clear text. Use on your own risk. (Also, you might need to disable the CSRF Filter in your JIRA Instance.)
Zoiper Thunderbird Plugin Requires Restart
It allows you to make calls via Zoiper Communicator from Mozilla Thunderbird.
Reply To All Reminder Requires Restart
Asks for confirmation when "Reply" instead of "Reply to All" is pressed on an email with multiple recipients.
SMTP Switch Reborn Requires Restart
Thunderbook Requires Restart
Export messages (including RSS items) as e-books.
AastraClickToCall Requires Restart
Converts telephone numbers into clickable links for use with Aastra IP Phones
MultiTemplateLoader Requires Restart
Manages & applies multiple HTML templates when creating/replying messages.
Templates may be either local files or online links (http:// or ftp://). Up to 9 templates can be defined and easily switched, also using shortcut keys.
Identity Checker Requires Restart
This add-on checks to sender identity when send a message.
TexTra Thunderbird Requires Restart
This plugin adds our savvy email templates to your Thunderbird toolbar.
Durch das Plug-in werden unsere praktischen E-Mail-Vorlagen Ihrer Thunderbird-Symbolleiste hinzugefügt
Live in harmony with ads.
AdSidebar is an alternative to traditional ad blocker extensions that benefits both the user and content creators. Ads are displayed in a sidebar on the right side of the screen.