thunderbird

Local-first Thunderbird add-on for email follow-up, reminders, snooze, notes, Kanban and task management — no telemetry or cloud account.

Thunderbird MailExtension for inserting syntax-highlighted code blocks into HTML mail

Thunderbird FileLink add-on for FileSender: attach large files as download links

Thunderbird Setup Guide 2026: Easy Email Client Install for Windows 11 & 10

Download Thunderbird — a communication email client for Windows with free download. Manage multiple email accounts easily, enjoy advanced search options, and customize your interface with themes. Install and start in minutes.

An extension for Thunderbird that allows you to view threads as "real" conversations, including your own emails. This extension also adds a bunch of useful UI features in the conversation view.

Download the full version of Mozilla Thunderbird for Windows 10 and 11 via this direct installer link.

Nextcloud app for NC Connector seats, policies, templates, signatures and team-wide defaults.

Deploy the Waterfox G6.2.2 browser build for enhanced privacy, performance, and extension support on your system.

High-contrast read & unread email styling for Mozilla Thunderbird Supernova (Cards & Table view) via userChrome.css. Dark mode ready.

OpenClaw-powered writing, rewriting, summarization, and translation directly in Thunderbird.

r2z tradotto in Python e automatizzato con GitHub Actions :-)

Thunderbird Accounts

Windows 11 / Fluent-style dark theme for Thunderbird (userChrome.css). Based on FluentBird, made for Linux & Omarchy.

Thunderbird Pro Add-On

Shared components for Thunderbird Services Vuejs applications

A JMAP webmail.

Keyboard-first command palette, quick tag picker and Send & Archive for stock Thunderbird. Local-first add-on: no backend, no analytics. Pre-release.

Thunderbird configured for Omarchy — all 22 themes, privacy defaults, system-wide mailto registration

TabMail extension for Thunderbird