Useful Addons

by Brad Mace

8 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.

Provider for Google Calendar by Philipp Kewisch

Rated 4 out of 5 stars 956 reviews

347,769 users

Allows bidirectional access to Google Calendar

Enigmail by Patrick Brunschwig

Rated 4 out of 5 stars 197 reviews

147,242 users

OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.

Google Contacts by H.Ogi

Rated 3 out of 5 stars 300 reviews

583 users

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

MinimizeToTray by Mook, Brad Peterson

Rated 4 out of 5 stars 463 reviews

657 users

Minimizes Mozilla windows into the system tray. Also includes a right clickable tray icon menu to further load only the windows you want visible...

Display Quota by Arnaud Abelard

Rated 4 out of 5 stars 29 reviews

38,269 users

This extension will display the current status of your IMAP quota in thunderbird's statusbar and will warn you when you reach a configurable limit...

SyncKolab by Niko Berger

Rated 3 out of 5 stars 75 reviews

4,574 users

SyncKolab can synchronize your calendar, address book and tasks against an IMAP server in Kolab formats version 1 (vCard/iCal) or version 2 (XML) or turn your Thunderbird/Lightning into a native Kolab Client (http://kolab.org).

Track Package by Dave Kahler

Rated 4 out of 5 stars 30 reviews

1,923 users

Track Packages from the right-click menu...

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