Contacts

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SoundPlus

SoundPlus customizes the sound that is played when a new message arrives for a particular contact in the address book, similar to mobile phones. There is also a variation that is played when a message arrives and it is a continuation of a thread.

Rated 3 out of 5 stars (13)
2,831 users
Added November 15, 2009

PopMailListRecipients

Adds a toolbar button to expand address book lists to its recipients - useful to stripe out some of them when sending mail...

Rated 4 out of 5 stars (11)
1,219 users
Added September 18, 2009

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 (23)
4,480 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)
561 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 3 out of 5 stars (19)
5,340 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)
3 users
Added April 8, 2009

Telify

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 (54)
13,889 users
Added February 8, 2009

xSidebar for Thunderbird

Firefox sidebars for Thunderbird.

Rated 4 out of 5 stars (11)
952 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 (91)
3,627 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)
1,520 users
Added December 3, 2008

Been2Long

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

Not yet rated
3 users
Added August 18, 2008

gContactSync

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 (207)
80,743 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)
55,949 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)
16,368 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)
6,157 users
Added April 20, 2008

Zindus

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

Rated 4 out of 5 stars (207)
32,724 users
Added November 28, 2007

Multi-LDAP

Permits to use several LDAP directories simultaneously for address autocompletion.

Rated 4 out of 5 stars (15)
1,117 users
Added September 12, 2007

ThunderBirthDay

Display birthdays from the Thunderbird addressbooks as events in Lightning.

Rated 4 out of 5 stars (84)
22,114 users
Added July 13, 2007

Sender Name

Rated 4 out of 5 stars (40)
2,594 users
Added July 8, 2007

Send Format LDAP

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

Not yet rated
6 users
Added June 28, 2007