Thunderbird

by PeterPerlich

47 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 5,808 reviews

14,030,231 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.

Enigmail by Patrick Brunschwig

Rated 4 out of 5 stars 197 reviews

133,948 users

OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.

United States English Spellchecker by jooliaan

Rated 3 out of 5 stars 168 reviews

371,285 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 114 reviews

223,375 users

Spanish/Spain Dictionary

German Dictionary by KaiRo

Rated 4 out of 5 stars 47 reviews

398,837 users

German Dictionary (new Orthography) for spellchecking in Mozilla products

Dizionario italiano by flod

Rated 4 out of 5 stars 52 reviews

130,963 users

Italian spellchecking dictionary

Add-on Compatibility Reporter by Mozilla

Rated 4 out of 5 stars 193 reviews

63,168 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 (legacy add-ons only).

Nightly Tester Tools by Automation Development, Tony Mechelynck, others

Nightly Tester Tools (NTT) is an add-on for aiding testers of Nightly builds of Mozilla apps including Firefox.

Quicktext by WizKid, R Kent James

Rated 4 out of 5 stars 297 reviews

83,635 users

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

Signature Switch by Achim Seufert

Rated 4 out of 5 stars 189 reviews

67,523 users

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

Mail Redirect by Pawel Krzesniak, Onno Ekker

Rated 4 out of 5 stars 125 reviews

34,841 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 404 reviews

130,216 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".

Quick Locale Switcher by ppclick

Rated 3 out of 5 stars 87 reviews

173,110 users

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

Locale Switcher by bsmedberg

Rated 4 out of 5 stars 28 reviews

44,754 users

Displays a menu item for switching the application locale.
  1. 1
  2. 2
  3. 3
  4. 4
Results 115 of 47

What are Collections?

Collections are groups of related add-ons that anyone can create and share.

Explore Collections

More by this User

See all collections by this user