85 177 användare
Access to Google contacts and synchronize them with Thunderbird address books.
21 016 användare
Contact Tabs enhances Thunderbird to give you quick access to all your contacts directly from Thunderbird's main window: Use the powerful search field to find your contacts and open them in a new tab for viewing and editing.
24 328 användare
A system tray extension for Linux and Windows, allowing to set up custom icon, hiding to tray instead of closing, display the number of unread messages in mailing applications, and other features ...
155 290 användare
Add symbol in header plane to switch between compact and expanded view. Options to switch between one or two lines compact view, which buttons should be displayed in header pane. For Thunderbird 36 and older use version 2.0.9 (see version history)
5 256 användare
Adds a summary of mail accounts and folders to replace the account central pane and the empty folder preview
2 783 användare
Selectively breakout or promote sub-folders under an intermediate folder in the folder tree. Use with IMAP servers where some folders remain collapsed under special namespace like [Gmail] or the INBOX itself.
Address Widget Lines provides the ability to select the number of address lines to display in the message compose window.