Thunderbird

System Tray NotificationExtensionsConfigurationSourceForums

System Tray Notification

GitHub Birdtray is a system tray new mail notification for Thunderbird, which does not require extensions.

Extensions

AMO CardBook is a feature reach address book. GitLab Source

AMO ImportExportTools NG adds import and export functions for messages, folders and profiles. GitHub Source

GitHub uBlocko is a general-purpose blocker.

Configuration

Thunderbird Configuration Files - MDN

Thunderbird user.js - DonQuixoteI

Thunderbird Privacy Handbuch - privacy-handbuch.de (in German)

Configuring and hardening Thunderbird - HorlogeSkynet

Release/Source

Releases - Mozilla

Thunderbird Release Notes

Source code search

Forums

mozillaZine Forums