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Compose Responsive Images
When writing new emails, newly inserted images are made responsive by setting style="max-width:100%" and removing width/height attributes.
TuLPe
Traffic light protocol extension for Thunderbird, messages are customizable in the option page.
Dictionnaire occitan gascon
Corrector ortografic en occitan gascon entà Thunderbird.
Correcteur orthographique en occitan gascon pour Thunderbird.
CloneMessage
When composing an email, CloneMessage allows you to duplicate the current state of the email.
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.
Restart Button
10ten Japanese Reader (Rikaichamp)
Look up Japanese words with the hover of a mouse.
After enabling the add-on from the toolbar (or press Alt+R) simply hover over Japanese text and a popup displays corresponding dictionary definitions.
Next Unread Thread (Mark All Read)
Adds a Thread button, marks current thread or conversation as read and moves to the next unread message
Spam Scores
Displays spam scores according to mail headers. Supports spam/ham score headers of Rspamd, SpamAssassin and MailScanner. The add-on adds a column with the overall spam score to the mail list view and shows details of any matched spam/ham rule.
Thread in same folder
Runs after junk classification and filtering to make sure a newly-received message lands in the same folder as its parent in a thread.
Dino Game
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.
Arcus
New Tab
Skiff Mail
Integrates a Skiff Mail button into the Spaces toolbar. It opens the Skiff Mail website in a new tab.
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.
HTML Source Editor
Allows to edit the source of the currently composed message. A simple alternative to ThunderHTMLedit.
Spellchecker Rumauntsch Puter
Spellchecker Rumantsch Vallader
Slack - Quick Access
Quick Access to Slack in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.
To create your own collections, you must have a Mozilla Add-ons account.
