ChatGPT Addon

Integrates ChatGPT with Thunderbird for quick and easy access to its conversational AI capabilities.

Redo Button

Adds a Redo button to Thunderbird compose toolbar

Undo Button

Adds an Undo button to Thunderbird compose toolbar

iCanban - Kanban with ICAL

AutoReplace

This AddOn offers a function of autocorrection / auto text replacement. You can save a shortcut and a replacement and it will replaced automaticly if you type your new eMail text.

PrettyBlockquote

The add-on ensures that the quoted text in your reply is clearly highlighted with a vertical blue line, even when viewed by recipients using different email clients like Gmail or macOS, by using inline CSS on the blockquote HTML tag.

Account Check

Checks account settings against those listed in the Thunderbird autoconfig database and offers to fix settings that don't match. This is the same check performed when setting up an account.

Dolnoserbski (dsb) rěcny pakśik

Lower Sorbian language pack for Thunderbird - Dolnoserbski rěcny pakśik za Thunderbird - Niedersorbisches/Wendisches Sprachpaket für Thunderbird

ansitel Click-to-Dial

This plugin will call a selected number by clicking the right mouse button.

BorderColors D

Shows a colorful border around the "New Message" window, so you can tell different identities apart.

Builds on the original BorderColors and the "GT" version, adding different border styles.

Gàidhlig (gd) Language Pack

Gàidhlig (gd) Language Pack

ThunderThings

Integration between Thunderbird and Cultured Code's Things application.

Metamorfik

The Altium Forums are the best way to participate in discussions, share tips, ask/answer questions and locate resources.

sms77

Send SMS via sms77

Send then Archive

Automates the process of archiving a message that has been replied to.

Message Header Toolbar Customize

You can change icon display and button order. You can also hide unnecessary buttons.

Telegram Web in Thunderbird

Open Telegram Web in Thunderbird

Autofile - fast e-mail to folder filing

Read an e-mail, hit Autofile button and it is filed / moved to the right mail folder based on the sender's address. No drag/drop needed. Autofile can discover folders to store each author mail. Will save you lots of time like defunct filemail.

Cypherdog Encryption

Encrypt any file, any text, and share via any medium, any time

ENEX Tools

Add import/export functionality of Evernote export file (enex).
* Load enex file and open message composition window with the note content
* Export messages to enex file which can be loaded by Evernote desktop client