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)
1,734 users

Check Recipients

Checks the existence of email addresses of all recipients in Compose message window from local address books and LDAP directories.

Rated 1 out of 5 stars (1)
3 users

conceptERP Kontaktimport

Importiert Kontakte aus conceptERP in das Adressbuch.

Not yet rated
4 users

Contact DnD

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

Not yet rated
8 users

Contact Photos

Displays contact photos in the message header.

Rated 4 out of 5 stars (22)
2,058 users

Contact Tabs

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.

Rated 4 out of 5 stars (47)
20,267 users

Contacts Sidebar Featured

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.

Rated 4 out of 5 stars (275)
32,527 users

CRM-Integration ITSP-PBX Mobile Exchange

Integration of FreePBX-Swiss and OMP24-CRM

Rated 5 out of 5 stars (1)
44 users

Crmthdb Lite ZohoCRM Thunderbird Extension

Connect Thunderbird and share mails with ZohoCRM. The Lite version lets you display contacts of Zoho CRM inside Thunderbird. The full version on lets you archive your mails and add contacts into Zoho CRM.

Not yet rated
47 users

Custom Address Sidebar

Allow you to help address sidebar more useful.

Rated 4 out of 5 stars (6)
3,244 users

Customizable LDAP AddressBook Auto Complete

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

Not yet rated
151 users

Directory Contact Tabs

Displays additional information about contacts from LDAP directory servers. The new panels are provided by one or several customized Directory Contact Tabs (Data) add-ons.

Rated 4 out of 5 stars (1)
14 users

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)
7,980 users

DM Sync

This plugin allows you to synchronize addressbooks and contacts stored on the DM mail server

Not yet rated
11 users

Duplicate Contact Manager

Facilitates handling of duplicates in your address book(s). Allow to search and remove similar contacts.

Rated 3 out of 5 stars (95)
23,262 users

EMail Address Crawler

Automatically fill your address books or send mass mails with e-mail addresses extracted from all your e-mails.

Rated 4 out of 5 stars (90)
3,483 users

EmailPicky 4

Grab email addresses from emails from any selected Email Folder and add them to your contacts. (Email Crawler / Email ID Grabber / Bounced email collector) - Thunderbird Plugin

Rated 4 out of 5 stars (6)
3,102 users

Eortologio - Greek Namedays Calendar (Thunderbird)

This extension consists of a Greek Orthodox Namedays reminder. It displays in Thunderbird status bar current day's celebrated names.

Rated 5 out of 5 stars (3)
12 users

Export for Thunderbird & Lightning Launcher

Export for Thunderbird & Lightning is the worldwide unique printing and exporting solution for Mozilla Thunderbird and Lightning for Windows.
Multi lingual user interface: English, German, French and Spanish

Rated 2 out of 5 stars (9)
1,421 users

ExQuilla for Microsoft Exchange

Thunderbird email accounts, including contacts, connecting to Microsoft Exchange Web Services.

Rated 3 out of 5 stars (86)
17,085 users