Sieve Script Editor

Extensions / Add-Ons for Mozilla Firefox and Mozilla Thunderbird

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

✉️ 📤 "Nextcloud for Filelink" is a Thunderbird extension which makes it easy to send large attachments with Thunderbird by uploading them first to a Nextcloud server and by then inserting the link into the body of your email.

Remove Duplicate Messages

MailExtension to talk to keepassxc

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

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

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

Outlook style headers and few goodies for Thunderbird

Thunderbird add-on to display spam scores according to mail headers. Supports spam/ham score headers of Rspamd and SpamAssassin. 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.

This addon adds awesome statistics to your beloved Thunderbird!

ThunderSec is a security plugin for Mozilla Thunderbird that creates several pieces of additional security functionality, including DNSBL, RBL, SURBL, DKIM and SPF.

Thunderbird extension for the Todo.txt application.

Thunderbird filelink plugin

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

Easily export your Thunderbird emails to Joplin.

BiDi Mail UI: Thunderbird extension for improved right-to-left language support

Source of the Mozilla Thunderbird extension "Correct Identity"

This is a Thunderbird addon that adds some magic to the folder list columns. Check the addon website for more info...