My Thunderbird Collection

by return13

19 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.

German Dictionary by KaiRo

Rated 4 out of 5 stars 54 reviews

520,161 users

German Dictionary (new Orthography) for spellchecking in Mozilla products

Provider for Google Calendar by Philipp Kewisch

Rated 4 out of 5 stars 514 reviews

294,383 users

Allows bidirectional access to Google Calendar

Enigmail by Patrick Brunschwig

Rated 4 out of 5 stars 159 reviews

150,056 users

OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.

Google Contacts by H.Ogi

Rated 4 out of 5 stars 220 reviews

101,298 users

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

Thunderbird Conversations by Jonathan Protzenko

Rated 4 out of 5 stars 324 reviews

80,764 users

This addon provides a conversation view for Thunderbird, grouping messages together and allowing you to reply "inline" thus providing a more efficient workflow.

The latest version is compatible with Thunderbird 24+ only (see below for details).

Signature Switch by Achim Seufert

Rated 4 out of 5 stars 143 reviews

89,858 users

Switch the signature on/off or choose a new one from your predefined set...

Display Mail User Agent by Jürgen Ernst

Rated 4 out of 5 stars 99 reviews

38,853 users

Displays icon for user agent of received mails.

ThunderBirthDay by ingomueller.net

Rated 4 out of 5 stars 63 reviews

25,116 users

Display birthdays from the Thunderbird addressbooks as events in Lightning.

Auto Address Cleaner by markopee

Rated 5 out of 5 stars 40 reviews

15,525 users

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

EMail Address Crawler by CySlider

Rated 4 out of 5 stars 81 reviews

4,731 users

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

QuoteCollapse by Michael J Gruber

Rated 4 out of 5 stars 25 reviews

11,387 users

Collapse and expand quotes. Please see the extension homepage for...

Quote Colors by Malte Ruecker

Rated 4 out of 5 stars 40 reviews

17,494 users

Quote Colors allows you to select text and background colors of different quote levels which are applied when reading or printing mail/news messages. Additionally, you can choose between graphical and traditional plain text quoting display mode.

Auto Zip Attachments by Tomer Rotstein

Rated 4 out of 5 stars 68 reviews

3,920 users

Auto Zip Attachments allows you to easily compress (zip) attachments.

Correct Identity by Dennis Verspuij

Rated 4 out of 5 stars 65 reviews

6,656 users

Ever sent mail from the wrong email address because you forgot to select the correct identity in the compose window?
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