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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.
Send Later Button
The Send Later Button extension enhances Thunderbird by enabling 'Send Later' even in online mode. It supports many Languages, ensuring a seamless user experience.
See: https://github.com/That-Developer-Guy/Send-Later-Button-Thunderbird/
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.
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.
Disable DragAndDrop (New)
Disable drag and drop on the folder tree in order to prevent unintended folder movement.
Dictionnaire occitan gascon
Corrector ortografic en occitan gascon entà Thunderbird.
Correcteur orthographique en occitan gascon pour Thunderbird.
Safe Links Cleaner
Clean up the display of links rewritten by Microsoft ATP Safe Links when reading and composing mail, so the original links can easily be viewed and copied, while retaining the rewritten addresses as the actual target of all links.
Snakes by Bluemods
Classic Snakes game at your fingertips.
Snakes by Bluemods is a free-to-play single-player classics arcade game designed and developed by Justin Gates at Bluemods.com. The game allows the players to maneuver a snake made up of tiny squares.
TuLPe
Traffic light protocol extension for Thunderbird, messages are customizable in the option page.
CloneMessage
When composing an email, CloneMessage allows you to duplicate the current state of the email.
InsertSignature
Insert signature helps you to insert usually used text by your customization.
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.
Minimize on startup
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.
HTML Source Editor
Allows to edit the source of the currently composed message. A simple alternative to ThunderHTMLedit.
To create your own collections, you must have a Mozilla Add-ons account.
