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.
Quicktext is an extension for Thunderbird that lets you create templates that can be easily inserted into your own emails.
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.
Google and Zimbra contact sync for Thunderbird. (TB 24 and above NOT supported)
Note from Mozilla: This add-on has been discontinued. Try MinimizeToTray Revived instead.
Minimize applications to the system tray.
Minimizes Mozilla windows into the system tray. Also includes a right clickable tray icon menu to further load only the windows you want visible...