My Favorite Add-ons

by Hellebaard

24 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.

YouTube by ditman

Rated 5 out of 5 stars 101 reviews

15,522 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!

DuckDuckGo (HTTPS / SSL) by DuckDuckGo

Rated 5 out of 5 stars 71 reviews

5,486 weekly downloads

DuckDuckGo is the search engine that doesn't track you. We also have smarter answers and less clutter. This extension adds DuckDuckGo (HTTPS / SSL version) to the search bar. For more features, see the DuckDuckGo Plus add-on. Enjoy!

Enigmail by Patrick Brunschwig

Rated 4 out of 5 stars 192 reviews

147,353 users

OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.

ChatZilla by Gijs Kruitbosch, Robert Ginda, others

Rated 4 out of 5 stars 125 reviews

121,362 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 186 reviews

102,807 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.

Woordenboek Nederlands by fjoerfoks

Rated 3 out of 5 stars 57 reviews

75,229 users

Dutch dictionary with wordslist from OpenTaal.

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.

Form History Control by Stephan Mahieu

Rated 5 out of 5 stars 87 reviews

23,546 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.

Duck Duck Go (SSL) by SSL Search Bar

Rated 5 out of 5 stars 6 reviews

302 weekly downloads

Duck Duck Go is a search engine that does not collect or share personally identifiable information. This search bar add-on utilizes SSL to protect searches between You and Duck Duck Go.

Duplicate Contact Manager by Marian Steinbach, Copelnug

Rated 3 out of 5 stars 102 reviews

20,276 users

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

Contacts Sidebar by Jeroen Peters

Rated 4 out of 5 stars 276 reviews

28,172 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.

LightningButton by rsjtdrjgfuzkfg

Rated 5 out of 5 stars 14 reviews

17,572 users

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

ThunderBirthDay by ingomueller.net

Rated 4 out of 5 stars 85 reviews

17,849 users

Display birthdays from the Thunderbird addressbooks as events in Lightning.
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