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selectAll Button
This Add-on installs a button on the mail toolbar that will when clicked select all messages within the folder.
Maldives Dhivehi Spellchecker
N'ko
Nko spell-checker / Vérificateur orthographique N'ko sur la base du Corpus de référence N'ko http://cormand.huma-num.fr/cormani/ Un vérificateur est aussi disponible comme Extension de la suite Libre Office
Upper Sorbian spell checker
Uppersorbian dictionary for spellchecking in Mozilla products based on soblex version 2.10.22.
Disable DragAndDrop (New)
Disable drag and drop on the folder tree in order to prevent unintended folder movement.
SPAMBEE
Report any unsollicited email (SPAM, Phishing, ...) to SPAMBEE.
Get an alert if you open an email containing a URL already known as fraudulent.
All reports are anonymized, no registration is required.
InsertSignature
Insert signature helps you to insert usually used text by your customization.
Pywalfox
Dynamic theming of Thunderbird using your Pywal colors.
https://github.com/Frewacom/pywalfox
CloneMessage
When composing an email, CloneMessage allows you to duplicate the current state of the email.
Dictionnaire occitan gascon
Corrector ortografic en occitan gascon entà Thunderbird.
Correcteur orthographique en occitan gascon pour Thunderbird.
To must occur only once
This add-on changes all but the first "to" to "cc" if there are multiple "to" when replying to an email.
TuLPe
Traffic light protocol extension for Thunderbird, messages are customizable in the option page.
Spellchecker Rumantsch Vallader
Spellchecker Rumauntsch Puter
HTML Source Editor
Allows to edit the source of the currently composed message. A simple alternative to ThunderHTMLedit.
Dropbox Paper
How Does It Work?
Once you install the add-on, a new icon will appear in the Thunderbird toolbar. Simply click on the icon, and it will open the Dropbox Paper tab.
Will the Dropbox Paper Add-on Collect My Data?
Never.
Seams
Seams provides some integration with Patchwork, the patch tracking system. It makes the patch state visible directly from Thunderbird. It also displays useful links to a Patchwork instance or to mail archives, and commands to apply the patch locally.
To create your own collections, you must have a Mozilla Add-ons account.
