Thunderbird 3 at work

by klint

89 Add-ons in this Collection

Adblock Plus by Wladimir Palant, Eyeo

Rated 5 out of 5 stars 6,180 reviews

14,691,730 users

Blocks annoying video ads on YouTube, Facebook ads, banners and much more.

Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).

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.

ImportExportTools by Paolo "Kaosmos"

Download Now

Experimental

Rated 4 out of 5 stars 163 reviews

471,252 users

Adds some tools to import and export folders and messages

Provider for Google Calendar by Philipp Kewisch

Rated 4 out of 5 stars 956 reviews

352,624 users

Allows bidirectional access to Google Calendar

United States English Spellchecker by jooliaan

Rated 4 out of 5 stars 172 reviews

408,448 users

United States English Spellchecker for Firefox, Thunderbird and SeaMonkey by Kevin Atkinson and Geoff Kuenning.

To enable, right-click in a multi-line text box, select "Languages", then "English (United States)".

Download Status Bar by Szalgiris

Rated 5 out of 5 stars 341 reviews

177,259 users

If you are the kind of person who likes to have total control over every aspect of your downloads, "Download Status Bar" is the add-on you are looking for.

Mail Merge by Alexander Bergmann

Rated 5 out of 5 stars 150 reviews

64,107 users

Mass Mail and Personal Mail

MinimizeToTray revived by Nils Maier

Rated 4 out of 5 stars 345 reviews

139,629 users

Minimizes windows into the system tray.

Saved Password Editor by Daniel Dawson

Rated 5 out of 5 stars 312 reviews

78,885 users

Adds the ability to create and edit entries in the password manager.

LookOut by Aron Rubin

Rated 4 out of 5 stars 156 reviews

203,582 users

LookOut is a plugin which allows Thunderbird to interface with Microsoft's mail tools by decoding metadata and attachments encapsulated/embedded in a TNEF encoded attachment (aka winmail.dat).

FoxClocks by Andy McDonald

Rated 4 out of 5 stars 347 reviews

49,738 users

FoxClocks shows times around the world - or just your local time - at the bottom of your browser. It deals with daylight saving time so you don't have to.

Signature Switch by Achim Seufert

Rated 4 out of 5 stars 190 reviews

78,309 users

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

Thunderbird Conversations by Jonathan Protzenko, Standard8

Rated 4 out of 5 stars 420 reviews

32,747 users

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

CompactHeader by jmozmoz

Rated 5 out of 5 stars 162 reviews

110,523 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)

StartupMaster by htamas

Rated 4 out of 5 stars 251 reviews

22,344 users

Asks for the master password at startup (fixes multiple password prompt)
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