Add-ons
Contacts
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Auto Avatars
Add-on for Thunderbird that automatically populates contact photos with their Libravatar or Gravatar photo. Includes support for custom instances and federation!
Auto Profile Picture
Upgrade your Thunderbird experience with intelligent and clearer sender visualization that transforms how you identify and manage emails — making email management smoother and more intuitive.
Awesome ldapInfoShow
Show contact photo and other info from Local Dir, Addressbook, LDAP, Facebook, LinkedIn, Flickr, Gravatar etc
BirdFon
Requires Restart
BirdFon, a lightweight and elegant phone plugin, makes Thunderbird a speaking friend in your online life. With BirdFon you can call your friends in a way similar to the SkypeOut service. The major BirdFon advantage is that it allows you to make...
Birthday Calendar
Birthday Reminder
Requires Restart
Birthday Reminder reminds of upcoming birthdays for all contacts in Thunderbird's address book. Supports Lightning, reminders and even Google Calendar :-)
CALDAV - Search/Subscribe
Requires Restart
Add CalDAV search & subscribe feature to Lightning
Card Viewer Extended
Requires Restart
Adds a button in address book cards to fetch and display the certificate of a contact.
CardBook
Featured
A new Thunderbird address book based on the CardDAV and vCard standards.
Twitter: @CardBookAddon
CardDAV Browser
A utility to browse vCards stored on a CardDAV server.
This version is only for Thunderbird. There is a SeaMonkey version available if needed.
CategoryManager
Category manager for Thunderbird contacts, also allows to send an email to all members of a category (categories can be used as contact groups).
Check Recipients
Requires Restart
Checks the existence of email addresses of all recipients in Compose message window from local address books and LDAP directories.
CollectAddresses
conceptERP Kontaktimport
Requires Restart
Importiert Kontakte aus conceptERP in das Adressbuch.
Contact DnD
Requires Restart
Enables one to assign a photo to a contact by dragging and dropping it from the local filesystem.
Contact Finder
Autocomplete a list of contacts when sending a message by searching their name in the address book.
Contact Tabs
Requires Restart
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.
Contacts Sidebar
Requires Restart
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.
To create your own collections, you must have a Mozilla Add-ons account.
