New Bing Anywhere

New Bing isn't just for Edge anymore. Anywhere you want

@Contact Mention

This add-on mimics the mentions behavior on Outlook when mentioning a contact with the '@' sign. The contact selected is added as a link in the email body as well as to the recipent list of the email.

Copy Timestamp

Copy the timestamp and/or email addresses of the sender, recipient, etc. to the clipboard in various formats.

UUID - WES

WES Solucoes Tecnologicas Ltda

AI Anywhere for ChatGPT

ChatGPT enhancer - adds context menu, keyboard shortcuts, history and more!

CustomCSS

Allow the user to configure custom CSS that will be added to messages when edited
(new, reply and forward). The custom CSS will be added to a newly created <style>
element in the email's head.

Filter on Folder Button

act. version 1.6.1 for Tb >= 128.x

Toolbar menu button with filter functions.
- run filter on folder
- run filter on message
- show filter dlg
- create filter from message

with hotkeys, theme support, languages de, en, fr, es, it

Move Mail Shortcuts

Allows assigning keyboard shortcuts for moving mails to folders and jumping to the folders.

Correcteur français en orthographe simplifiée

Ce correcteur simplifie l'orthographe selon les propositions de l'association Érofa :
- Suppression des consonnes doubles inutiles : "doner"
- Simplification des mots d'origine grecque ('ph' > 'f', 'th' > 't', etc.)
- 'x' finaux remplacés par 's'

j-lawyer.org-Thunderbird-Extension

Sendet E-Mails an einen j-lawyer.org Server

Note: This extension saves messages on a j-Lawyer.org server. Sensitive data may be transmitted. Depending on the type of connection, this data may also be unencrypted.

Mark Read on Tab Open

Mark messages as read when you open them in tabs.

Discord - Quick Access

Quick Access to Discord in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.

Proton Mail - Quick Access

Quick Access to Proton Mail in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.

ObsidianClipper

ObsidianClipper is a Thunderbird extension to clip emails to the Obsidian notetaking application. Save an email to Obsidian seamlessly with one click. Customize the format of new note titles and note layout.

Paste code

Thunderbird addon creating a context menu option that pastes code beautifully in HTML messages

Move Folder (context-menu)

Adds the "Move to" menu entry to the folders panel context menu, allowing to move a Local folder (and its content) to another.
This feature is similar to the native one within message(s) context menu ("Move To"), but it applies to the folder tree.

PowerFolder

Power Folder add-ons tool is used for large attachment in Mozilla Thunderbird extension.

reply-all-auto-cc

When reply to all is used, move original To: recipients to Cc:
Also forces "Cc:" to be displayed on all new messages.

GitHub Repo: https://github.com/cyb3rmonk/reply-all-auto-cc

Trello - Quick Access

Quick Access to Trello in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.

iCanban - Kanban with ICAL