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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.
TuLPe
Traffic light protocol extension for Thunderbird, messages are customizable in the option page.
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.
New Tab
Skiff Mail
Integrates a Skiff Mail button into the Spaces toolbar. It opens the Skiff Mail website in a new tab.
Minimize on startup
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.
Dino Game
CloneMessage
When composing an email, CloneMessage allows you to duplicate the current state of the email.
Spellchecker Rumauntsch Puter
InsertSignature
Insert signature helps you to insert usually used text by your customization.
Arcus
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.
Open Google Chat
Adds an icon on the spaces toolbar to quickly open Google Chat.
Not affiliated with Google.
Inoreader Thunderbird Add-on
A simple add-on with a button in the Spaces toolbar.
Requires an account a inoreader.com
Bard - Quick Access
Quick Access to Google Bard (new name Gemini) in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.
Telegram - Quick Access
Quick Access to Telegram Web 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.
