My Favorite Add-ons

by Hellebaard

23 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,190 reviews

18,586,319 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.

DuckDuckGo (HTTPS / SSL) by DuckDuckGo

Rated 5 out of 5 stars 56 reviews

16,435 weekly downloads

DuckDuckGo is a search engine that does not track you. Adds DuckDuckGo (HTTPS / SSL version) to the search bar. For more features, see the DuckDuckGo Plus add-on.

YouTube by ditman

Rated 5 out of 5 stars 90 reviews

13,725 weekly downloads

This add-on will add an improved version of YouTube's search engine, now with search suggestions!

Thanks all who voted for helping this add-on to become public! Please keep leaving feedback!

Enigmail by Patrick Brunschwig

Rated 4 out of 5 stars 155 reviews

150,548 users

OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.

ChatZilla by Gijs Kruitbosch, Robert Ginda, others

Rated 4 out of 5 stars 114 reviews

184,377 users

A clean, easy to use and highly extensible Internet Relay Chat (IRC) client.

TinEye Reverse Image Search by TinEye

Rated 4 out of 5 stars 166 reviews

150,361 users

TinEye is a reverse image search engine. The plugin adds a context menu item that allows you to search for an image to find out where it came from, how it is being used, if modified versions of the image exist, or to find higher resolution versions.

Quick Locale Switcher by ppclick

Rated 4 out of 5 stars 68 reviews

319,690 users

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

Woordenboek Nederlands by fjoerfoks

Rated 3 out of 5 stars 43 reviews

95,534 users

Dutch dictionary with wordslist from OpenTaal.

Form History Control by Stephan Mahieu

Rated 5 out of 5 stars 63 reviews

33,180 users

Manage form history entries (search, edit, cleanup, export/import) and easy text formfiller.

Auto-save text entered in any form while typing to allow fast recovery when disaster strikes.

Control for which webpage form history is saved or not.

Contacts Sidebar by Jeroen Peters

Rated 4 out of 5 stars 218 reviews

44,056 users

Displays the address books in a sidebar in Thunderbirds 3-pane-window and can be toggled with the F4 key or a toolbar button.

Visit my Contacts Sidebar site for recent versions and news.

Beef Taco (Targeted Advertising Cookie Opt-Out) by jmhobbs

Rated 4 out of 5 stars 71 reviews

21,476 users

Sets permanent opt-out cookies to stop behavioral advertising for 100+ different advertising networks, including Google, Yahoo, Microsoft, all members of the Network Advertising Initiative, and many other companies.

Duplicate Contact Manager by Marian Steinbach, Copelnug

Rated 3 out of 5 stars 80 reviews

23,361 users

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

LightningButton by rsjtdrjgfuzkfg

Rated 4 out of 5 stars 13 reviews

24,984 users

Toolbar-Buttons for Lightning; advances the feature to get rid of the tabbar.

ThunderBirthDay by ingomueller.net

Rated 4 out of 5 stars 63 reviews

25,834 users

Display birthdays from the Thunderbird addressbooks as events in Lightning.
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