Add-ons
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Skiff Mail
Integrates a Skiff Mail button into the Spaces toolbar. It opens the Skiff Mail website in a new tab.
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.
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.
Spellchecker Rumauntsch Puter
Group Favorite Folders
An extension for Thunderbird 115+ that groups and sorts favorites folders in the compact view.
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.
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.
CloneMessage
When composing an email, CloneMessage allows you to duplicate the current state of the email.
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.
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.
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.
AWO Zipper 2
Dieses addon ist eine interne Entwicklung der AWO Bonn/Rhein-Sieg. Sie sollte nur auf betriebseigenen Geräten installiert werden.
Voraussetzungen: Es müssen 7-zip und die AWOZipperNativeComponent installiert sein!
Open Google Chat
Adds an icon on the spaces toolbar to quickly open Google Chat.
Not affiliated with Google.
Compose Responsive Images
When writing new emails, newly inserted images are made responsive by setting style="max-width:100%" and removing width/height attributes.
Dino Game
SpaceApper
Daily Reports
This plugin lets you store different profiles with CC, To, Subject and Signature values. Perfect if you need to send emails with similar details often.
Have I Been Pwned? - Easy Reach
An extension for Thunderbird that allows you to access Have I Been Pwned.
To create your own collections, you must have a Mozilla Add-ons account.
