Synchronizes contacts & groups between Thunderbird or SeaMonkey and Google Contacts. Imports Facebook friends, contacts you follow on Twitter, and more.

Rated 4 out of 5 stars (205)
84,667 users
Updated November 26, 2015

LDAP - View Groups Members

Allow the user to view the members of the LDAP directories in the addressbook

Rated 3 out of 5 stars (4)
740 users
Updated November 22, 2015


VCard Addressbook : a new addressbook for Thunderbird based on the CARDDav and VCARD standards.

Rated 4 out of 5 stars (12)
639 users
Updated November 20, 2015

CALDAV - Search/Subscribe

Add CalDAV search & subscribe feature to Lightning

Rated 2 out of 5 stars (8)
3,014 users
Updated November 17, 2015


ReminderFox displays and manages lists of reminders and ToDo's. ReminderFox makes sure you remember all of your important dates via easy-to-use lists, alerts, and alarms, right in your browser without the need for a separate calendar program.

Rated 4 out of 5 stars (498)
105,262 users
Updated November 11, 2015


Allows to synchronise Thunderbird's addressbook with external directories/files. Every contact is exported/compared with an external file. Right now, only vCard version 2.1 is supported as export file format.

Rated 4 out of 5 stars (15)
13,599 users
Updated November 10, 2015


This Extension lets you send Mails to both, first and second email address...

Rated 5 out of 5 stars (1)
32 users
Updated October 26, 2015

Opacus SugarCRM 6.2+ Thunderbird Integration Pro

SugarCRM 6.2.0-7.6.x/SuiteCRM 7.x Integration for Thunderbird

Enables archiving of emails into SugarCRM and SuiteCRM from Thunderbird. Requires a purchased license key (you can request a trial from within the extension).

Rated 5 out of 5 stars (1)
814 users
Updated October 23, 2015

Contact DnD

Enables one to assign a photo to a contact by dragging and dropping it from the local filesystem.

Not yet rated
13 users
Updated October 14, 2015

Additional Chat Protocols for Thunderbird

Add support for chat protocols implemented in libpurple.

Rated 3 out of 5 stars (35)
2,321 users
Updated October 13, 2015


Based on TrustedBird/MiliMail work. Patched to work with lastest Thunderbird.
Permits to use several LDAP directories simultaneously for address autocompletion.

Not yet rated
215 users
Updated October 11, 2015

OBM Connector

OBM Lightning Calendar and addressbooks connector

Not yet rated
1,128 users
Updated September 25, 2015

Display Contact Photo

Displays the contact photo/image/picture of the sender/recipient while reading or composing a message. Supports photos in a local folder and the 'Face' header for embedded photos. The add-on adds new generic photos and many styling possibilities.

Rated 4 out of 5 stars (101)
9,508 users
Updated September 17, 2015


Category manager for CardDav contacts, also allows to send an email to all members of a category (categories can be used as contact groups).

Rated 5 out of 5 stars (6)
2,143 users
Updated September 10, 2015


Manage All Birthdays

Thanks to :
All donators for their very important support ;
All contributors with their remarks and translations ;
Sebastian Apel : this pluggin was inspired by its brilliant pluggin : Birthday Reminder

Rated 5 out of 5 stars (4)
444 users
Updated September 9, 2015


Z-Sync to Thunderbird Addressbook
Will sync Thunderbird address book to Zentyal, Zarafa, Horde and

Rated 4 out of 5 stars (12)
2,081 users
Updated September 4, 2015


Display birthdays from the Thunderbird addressbooks as events in Lightning.

Rated 4 out of 5 stars (84)
25,416 users
Updated September 1, 2015

Kardia CRM Add-on for Thunderbird

(beta) Integrates with the Kardia CRM system, to provide information about the people in the Kardia CRM database directly via Thunderbird.

NOTE: This add-on requires a Kardia CRM server (see description for more information).

Not yet rated
1 user
Updated August 22, 2015

Customizable LDAP AddressBook Auto Complete

Provides (restores) customizability of auto complete items for LDAP addressbook items, and more features.

Not yet rated
214 users
Updated August 22, 2015

MRC Compose

Remplace la liste d'adresses par les champs standards (Pour, Copie à, Copie cachée à) avec l'autocomplétion.
Provides standards fields (TO, CC, BCC) with autocomplete to Thunderbird's compose pane.
For bug reports, please use support email.

Rated 4 out of 5 stars (45)
1,330 users
Updated August 20, 2015