Thunderbird

by Monique Brunel

27 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 1,002 reviews

295,558 users

Allows bidirectional access to Google Calendar

ImportExportTools by Paolo "Kaosmos"

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Experimental

Rated 4 out of 5 stars 123 reviews

330,930 users

Adds some tools to import and export folders and messages

gContactSync by Josh Geenen

Rated 4 out of 5 stars 193 reviews

55,833 users

Synchronizes contacts & groups between Thunderbird or SeaMonkey and Google Contacts. Imports Facebook friends, contacts you follow on Twitter, and more.

Thunderbird Conversations by Jonathan Protzenko

Rated 4 out of 5 stars 393 reviews

71,943 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 38+ only (see below for details).

Toolbar Buttons by Michael B.

Rated 4 out of 5 stars 316 reviews

130,694 users

Adds toolbar buttons to the customize toolbar window in several programs including Firefox, Thunderbird and SeaMonkey. Some of the buttons make commonly preformed actions quicker, others add new functionality.

QuickNote by Leszek Życzkowski, Jed Brown, others

Rated 5 out of 5 stars 167 reviews

26,062 users

A simple note-taking extension.

Quicktext by WizKid

Rated 4 out of 5 stars 273 reviews

82,689 users

Quicktext is an extension for Thunderbird that lets you create templates that can be easily inserted into your own emails.

URL Link by Neil Bird

Rated 4 out of 5 stars 49 reviews

14,998 users

URL Link is a small Firefox and Thunderbird extension that allows you to select a non-URL in a mail/news message or web-page, and open it in a browser window.

Remove Duplicate Messages (Alternate) by eyalroz

Rated 4 out of 5 stars 141 reviews

66,607 users

Search and remove messages which are the same as other messages in your mail folders (referred to as duplicates or dupes).

CompactHeader by jmozmoz

Rated 5 out of 5 stars 167 reviews

149,190 users

Add symbol in header plane to switch between compact and expanded view. Options to switch between one or two lines compact view, which buttons should be displayed in header pane. For Thunderbird 36 and older use version 2.0.9 (see version history)

AttachmentExtractor by Andrew Williamson

Rated 4 out of 5 stars 166 reviews

36,664 users

Extracts all attachments from selected messages and then can delete, detach or mark-read.

Dropbox for Filelink by mike_conley, Standard8, others

Rated 4 out of 5 stars 33 reviews

20,804 users

Add Dropbox support to Thunderbird's Filelink feature.

Zindus by Leni Mayo

Rated 4 out of 5 stars 206 reviews

35,679 users

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

Duplicate Contact Manager by Marian Steinbach, Copelnug

Rated 3 out of 5 stars 92 reviews

22,865 users

Facilitates handling of duplicates in your address book(s). Allow to search and remove similar contacts.
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