Signature /Auto Paste /Prefill Fourms

Makes everyday entries to forms & forums simpler!
Add a sig. with just a Rclick of the mouse and select 'Add Sig.' from the context menu.
(Please, note: What you see in the pic is only an example. ThoseRMine Sorry, you have to make your own tabs. )

Rated 4 out of 5 stars (22)
4,169 users
Added September 12, 2009

LDAP Swapping

This extension allow you to simply switch on / off the LDAP autocompletion.

Rated 4 out of 5 stars (8)
545 users
Added July 17, 2009

sipgateFFX for Firefox and Thunderbird

The sipgate extension enables a practical overview for your account, direct call list notifcations, a speed access to several parts of sipgate's website, initiaiting click2dial calls, sending messages and faxes directly from your browser.

Rated 4 out of 5 stars (18)
6,154 users
Added June 19, 2009

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)
4 users
Added April 8, 2009


Converts telephone numbers into clickable links for use with CTI applications, SIP clients, Skype, Netmeeting, snom phones, the AGFEO TK-Suite Client and SerVonic IXI-PCS.

Rated 4 out of 5 stars (52)
11,856 users
Added February 8, 2009

xSidebar for Thunderbird

Firefox sidebars for Thunderbird.

Rated 4 out of 5 stars (11)
974 users
Added December 15, 2008

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 (89)
3,549 users
Added December 14, 2008

AddressBook In Mode ToolBar

Add adressbook button to "mode toolbar" (requires lightning extention)

Rated 4 out of 5 stars (7)
1,417 users
Added December 3, 2008


Been2Long will remind you to get in touch with your contacts.

Not yet rated
3 users
Added August 18, 2008


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 (202)
65,177 users
Added August 10, 2008

Google Contacts

Access to Google contacts and synchronize them with Thunderbird address books.

Rated 3 out of 5 stars (311)
66,038 users
Added May 18, 2008

Auto Address Cleaner

Removes comment, display name automatically from addresses before sending mail.

Rated 5 out of 5 stars (45)
15,757 users
Added April 29, 2008

Select Address Book Text

Copy and paste a name, phone number, address or other text from your Thunderbird address book quickly, with just a single menu click.

Rated 4 out of 5 stars (39)
5,752 users
Added April 20, 2008


Google and Zimbra contact sync for Thunderbird. (TB 24 and above NOT supported)

Rated 4 out of 5 stars (207)
34,412 users
Added November 28, 2007


Permits to use several LDAP directories simultaneously for address autocompletion.

Rated 4 out of 5 stars (15)
1,003 users
Added September 12, 2007


Display birthdays from the Thunderbird addressbooks as events in Lightning.

Rated 4 out of 5 stars (82)
21,267 users
Added July 13, 2007

Sender Name

Rated 4 out of 5 stars (40)
2,659 users
Added July 8, 2007

Send Format LDAP

Gets supported email formats (text/HTML) by the recipients from LDAP directories.

Not yet rated
7 users
Added June 28, 2007

Card Viewer Extended

Adds a button in address book cards to fetch and display the certificate of a contact.

Rated 5 out of 5 stars (1)
8 users
Added June 27, 2007


Are you using mailing lists in Thunderbird ?
Do you forward a lot of mail ?

If so, this extension may be useful for you.

Rated 4 out of 5 stars (41)
399 users
Added May 6, 2007