Access to Google contacts and synchronize them with Thunderbird address books.
Adds the Google Calendar web interface as a new tab directly into Thunderbird. Creating and viewing events works just as it would in a browser like Firefox
FoxClocks shows times around the world - or just your local time - at the bottom of your browser. It deals with daylight saving time so you don't have to.
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.
Synchronizes selected addressbooks with other instances of thunderbird
using ftp/webdav/imap servers
Google and Zimbra contact sync for Thunderbird. (TB 24 and above NOT supported)
Facilitates handling of duplicates in your address book(s). Allow to search and remove similar contacts.
Identity Chooser helps you to always use the correct identity when composing a new email.
Afrikaans spell checker for Mozilla Firefox and Thunderbird
This extension provides a button for the mail toolbar to get mails for all accounts.
Note from Mozilla: This add-on has been discontinued. Try Add-on Update Checker instead.
Notifies you when updates are available for your extensions and themes.
Displays a slideshow of picture attachments. When email has attached pictures, it displays "View as Slideshow" button next to the attachment. Button click pops a slideshow window with all the images, allowing you to zoom in/out, save...