Thunderbird

by PeterPerlich

47 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,841 reviews

18,861,814 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.

United States English Spellchecker by jooliaan

Rated 4 out of 5 stars 159 reviews

418,472 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)".

Spanish (Spain) Dictionary by tnarik, RickieES

Rated 4 out of 5 stars 108 reviews

215,706 users

Spanish/Spain Dictionary

German Dictionary by KaiRo

Rated 4 out of 5 stars 54 reviews

417,145 users

German Dictionary (new Orthography) for spellchecking in Mozilla products

Enigmail by Patrick Brunschwig

Rated 4 out of 5 stars 192 reviews

147,353 users

OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.

Dizionario italiano by flod

Rated 4 out of 5 stars 53 reviews

99,623 users

Italian spellchecking dictionary

Quick Locale Switcher by ppclick

Rated 3 out of 5 stars 88 reviews

150,784 users

Allows you to quickly switch to a different language (User Interface, Spell Checker Dictionary and Website content) in your Mozilla application.

Quicktext by WizKid, R Kent James

Rated 4 out of 5 stars 332 reviews

84,237 users

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

Mail Redirect by Pawel Krzesniak, Onno Ekker

Rated 4 out of 5 stars 129 reviews

33,662 users

Allow to redirect (a.k.a. "remail") mail messages to other recipients.

British English Dictionary by Mark Tyndall

Rated 3 out of 5 stars 425 reviews

167,184 users

British English Dictionary R1.19 for Firefox, Thunderbird and SeaMonkey by David Bartlett.

To enable, right-click in a multi-line text box, select "Languages", then "English / United Kingdom".

Locale Switcher by bsmedberg

Rated 4 out of 5 stars 26 reviews

44,861 users

Displays a menu item for switching the application locale.

Add-on Compatibility Reporter by Mozilla

Rated 4 out of 5 stars 189 reviews

60,681 users

Help make Firefox better. The Add-on Compatibility Reporter enables you to report if the Firefox add-ons that you're using are working properly.

Signature Switch by Achim Seufert

Rated 4 out of 5 stars 180 reviews

78,302 users

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

AttachmentExtractor by Andrew Williamson

Rated 4 out of 5 stars 174 reviews

33,856 users

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