Access to Google contacts and synchronize them with Thunderbird address books.
This extension will display the current status of your IMAP quota in thunderbird's statusbar and will warn you when you reach a configurable limit...
Displays icon for user agent of received mails.
Quote Colors allows you to select text and background colors of different quote levels which are applied when reading or printing mail/news messages. Additionally, you can choose between graphical and traditional plain text quoting display mode.
Collections are groups of related add-ons that anyone can create and share.Explore Collections