Thunderbird

by PeterPerlich

47 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 5,659 reviews

13,515,321 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 165 reviews

341,477 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)".

Enigmail by Patrick Brunschwig

Rated 4 out of 5 stars 194 reviews

122,497 users

OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.

German Dictionary by KaiRo

Rated 4 out of 5 stars 46 reviews

376,561 users

German Dictionary (new Orthography) for spellchecking in Mozilla products

Spanish (Spain) Dictionary by tnarik, RickieES

Rated 4 out of 5 stars 112 reviews

186,903 users

Spanish/Spain Dictionary

Add-on Compatibility Reporter by Mozilla

Rated 4 out of 5 stars 192 reviews

64,379 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.

Dizionario italiano by flod

Rated 4 out of 5 stars 52 reviews

85,735 users

Italian spellchecking dictionary

Nightly Tester Tools by Automation Development, Tony Mechelynck, others

Rated 4 out of 5 stars 187 reviews

15,117 users

Useful tools for the nightly tester.

Mail Redirect by Pawel Krzesniak, Onno Ekker

Rated 4 out of 5 stars 124 reviews

30,848 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 403 reviews

118,810 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 27 reviews

41,975 users

Displays a menu item for switching the application locale.

Signature Switch by Achim Seufert

Rated 4 out of 5 stars 189 reviews

57,577 users

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

Quicktext by WizKid, R Kent James

Rated 4 out of 5 stars 293 reviews

72,916 users

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

AttachmentExtractor by Andrew Williamson

Rated 4 out of 5 stars 163 reviews

28,133 users

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