Organize your schedule and life's important events in a calendar that's fully integrated with your Thunderbird email. Manage multiple calendars, create your daily to do list, invite friends to events, and subscribe to public calendars.
Switch the signature on/off or choose a new one from your predefined set...
ReminderFox displays and manages lists of reminders and ToDo's. ReminderFox makes sure you remember all of your important dates via easy-to-use lists, alerts, and alarms, right in your browser without the need for a separate calendar program.
Quicktext is an extension for Thunderbird that lets you create templates that can be easily inserted into your own emails.
Russian spellchecking dictionary
It adds some options to launch easily other profiles and the Profile Manager.
Search and remove messages which are the same as other messages in your mail folders (referred to as duplicates or dupes).
Displays the address books in a sidebar in Thunderbirds 3-pane-window and can be toggled with the F4 key or a toolbar button.
Visit my Contacts Sidebar site for recent versions and news.
This Noia 2 eXtreme theme v3.x version has been fully rewritten / v2.x (still available but no more compatible with recent TB).
Options are available with an associated extension.
See also my Web site for new versions.
Icons by Carlitus.
Displays icon for user agent of received mails.
Toggles dictionaries automatically or manually and displays the currently selected one
Minimizes Mozilla windows into the system tray. Also includes a right clickable tray icon menu to further load only the windows you want visible...