Change prefs so that you use addons.thunderbird.net as the provider for add-on downloads and updates.
Unmangle Outlook Safelinks Requires Restart
Users of Office 365 Advanced Threat Protection wil change
all url's in emails to redirect them to an Microsoft filter before opening.
This plugin wil change the url back to the original value.
KeeBird Requires Restart
Use KeePass Password Safe to manage your login credentials.
This is the replacement for the KeeFox extension for Thunderbird.
Auto Filter Timer Requires Restart
Run existing message filters on any folder at a specified interval. Simply right-click the desired folder then choose from the [AUTOFILT] menu items. This is a hack/clean-up of another coder's work, but works perfectly. Use at your own risk
Fixed version (no 90 day timer till silent failure) of the popular "Theme Font & Size Changer for Thunderbird" addon
Bugmail (fixed version) Requires Restart
A bugzilla companion (fixed version). Originally maintained by Fabrice Desré.
Esign Requires Restart
Электронная подпись для сообщений в Thunderbird на основе API клиента "ГУЦ"
pCloud for Thunderbird Requires Restart
Easily send large attachments with Thunderbird without leaving your email!
Thunderbird Taiga Integration Requires Restart
Convert mails to user stories, tasks and tickets for the Taiga project management system. See https://pehei.de/post/thunderbird-taiga-integration for instructions.
Send to Internals Requires Restart
Provides a special button to send mail to internals. "Internals" may be company, organization, or user group and so on.
Duplicate Contacts Manager Requires Restart
This add-on searches the given address book(s) for matching contact entries.
It can automatically delete entries that have equivalent or less information than some other one.
Any remaining matches are presented to the user for manual treatment.
Send to Things for Thunderbird Requires Restart
Create a new Things task from the current email you are viewing. Opens the quick add dialog with subject and message content pre-filled.
I've created this add-on as a user of Things, it is not created or endorsed by Cultured Code.
Force Hide Message Pane Requires Restart
Force hide message pane at startup.
Switch Link External Handler Requires Restart
Provides abilities to switch external handlers to open links.
No Delete Requires Restart
Prevents to delete messages from your disk. Note that it's OK to move mail into trash folder itself.
tb_email_grabber Requires Restart
Very basic extension that exports all sender of mails in one folder into a CSV, which includes their fullname and email. The extension adds an option to the folder view context menu. Please select the folder to export before starting the export.
Asciidoctor for Thunderbird Requires Restart
Type some text in your mail's body, hit the asciidoctor button and transform your mail into a pretty html5 asciidoctor document. Font awesome and code highlighting are enabled.
Copiar Assunto Requires Restart
Adiciona um botão para copiar o Assunto do email selecionado para a área de transferência
Add a button to copy the Subject line of the selected email to the clipboard
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.