blaubird, baby!

by Melchior Blausand

14 Add-ons in this Collection

Lightning by Mozilla Calendar Project

Organize your schedule and life's important events in a calendar that's fully integrated with your Thunderbird email. Manage multiple calendars, create your daily to do list, invite friends to events, and subscribe to public calendars.

Enigmail by Patrick Brunschwig

Rated 4 out of 5 stars 210 reviews

132,533 users

OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.

Contact Tabs by speedball2001

Rated 4 out of 5 stars 53 reviews

15,108 users

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.

Master Password+ by V@no

Rated 4 out of 5 stars 174 reviews

13,066 users

Various enhancements for build-in "master password" (MP)
-Locks master security device on demand or after specified time
-Prompts for MP on browser startup
-Suppresses all or duplicate MP prompts
-Locks up entire application or individual windows

XNote++ by Lorenz Froihofer

Rated 5 out of 5 stars 68 reviews

19,805 users

Persistent sticky notes for Thunderbird associated to mails.
This is a port to Thunderbird >= 3 based on XNote 2.1.0 ( https://addons.mozilla.org/en-US/thunderbird/addon/3093 ) with bugfixes and additional features.

Display Mail User Agent by Jürgen Ernst

Displays icon for user agent of received mails.

ThunderBirthDay by ingomueller.net

Rated 4 out of 5 stars 81 reviews

13,709 users

Display birthdays from the Thunderbird addressbooks as events in Lightning.

QuoteCollapse by Michael J Gruber

Rated 4 out of 5 stars 27 reviews

5,217 users

Collapse and expand quotes. Please see the extension homepage for further information.
Note that MozDev has shut down long ago (mailing list etc). Add-On homepage, source code and issue tracker are on GitHub, as linked on this page.

Lightning QR Code Add-on by Harald Judt

Rated 5 out of 5 stars 10 reviews

2,672 users

Integrate QR codes for calendar events into tooltips for easy transfer to mobile devices.

MR Tech Toolkit by mrtech

Rated 4 out of 5 stars 134 reviews

5,508 users

(Formerly Local Install) The primary goal of this extension is to provide the tools needed to install and manage extensions and themes locally and tons of other features.

Note: With Toolkit 6.0 Auto Archiving is fully working in Firefox 2.0 and temp...

sipgateFFX for Firefox and Thunderbird by sipgate GmbH

Rated 3 out of 5 stars 19 reviews

1,666 users

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.

FolderFlags by Ryan Lee

Rated 5 out of 5 stars 8 reviews

3,302 users

Allows users to edit the flags Thunderbird sets on folders.

THUNDER!Box by Honolulu Henk

Rated 4 out of 5 stars 29 reviews

925 users

Thunder!Box allows transferring contacts from your Thunderbird-Addressbook to the phonebook of a connected AVM FRITZ!Box FON router and back. You may also use your addressbook to initiate calls.

AddressBookTab by pastisman

Rated 4 out of 5 stars 62 reviews

10,188 users

It adds a button that can be put in toolbars and that open the addressbook in a new tab

What are Collections?

Collections are groups of related add-ons that anyone can create and share.

Explore Collections