Sieve Script Editor

ThunderAI is a Thunderbird Addon that uses the capabilities of ChatGPT, Gemini, Claude or Ollama to enhance email management.

Thunderbird add-on turning your emails into beautifully visualized email account stats.

Extensions / Add-Ons for Mozilla Firefox and Mozilla Thunderbird

External Editor Revived is a Thunderbird MailExtension which allows editing emails in programs such as Vim, Neovim, Emacs, etc.

Remove Duplicate Messages

Quick Folder Move Add-on for Thunderbird

Монгол үгийн алдаа шалгах толь, Mongolian spellchecking dictionary

Fork of LookOut (fix version)

Monterail Full Dark, a Thunderbird theme inspired by the mockup of Monterail

Outlook style headers and few goodies for Thunderbird

Thunderbird add-on that shows the spam score your mail server already assigned to each message, in a colour-coded mail-list column with a rule-by-rule breakdown. Reads SpamAssassin, rspamd, MailScanner, OVH, Sophos and more.

This provider add-on adds Google synchronization capabilities to TbSync. Only contacts and contact groups are currently managed, using Google's People API.

This addon adds awesome statistics to your beloved Thunderbird!

Thunderbird add-on to show full sender and recipient address column in message list

A thunderbird mailextension for explicitely choosing the correct sender identity before opening an email editor.

Primitive Thunderbird plugin for communicating with MS Exchange via Exchange Web Services (EWS)

Thunderbird extension for the Todo.txt application.

Thunderbird filelink plugin

A Thunderbird extension to clip messages to the Obsidian notetaking application.