Thunderbird - mail

by sloprlek

185 Add-ons in this Collection

Adblock Plus by Eyeo

Rated 5 out of 5 stars 7,643 reviews

11,576,704 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).

1-Click YouTube Video Download by The 1-Click YouTube Video Download Team

Rated 4 out of 5 stars 923 reviews

659,135 users

The simplest YouTube Video Downloader for all of YouTube videos.

Google Translator for Firefox by nobzol

Rated 4 out of 5 stars 769 reviews

564,647 users

With this addon you can translate any text to your own language with one click or hot-key. You can either translate the selected text, this way the translated text will overwrite the original selected text, or you can translate the full page too.

LastPass Password Manager by LastPass

Rated 4 out of 5 stars 4,684 reviews

765,640 users

LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.

Greasemonkey by Anthony Lieuallen

Rated 4 out of 5 stars 1,641 reviews

613,158 users

Customize the way a web page displays or behaves, by using small bits of JavaScript.

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 4 out of 5 stars 2,696 reviews

760,794 users

Firebug integrates with Firefox to put a wealth of development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page...

FoxyProxy Standard by Eric H. Jung

Rated 4 out of 5 stars 616 reviews

162,027 users

FoxyProxy is an advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. For a simpler tool and less advanced configuration options, please use FoxyProxy Basic.

Google Translate, ImTranslator, Dictionary, TTS by Smart Link Corporation

Rated 4 out of 5 stars 638 reviews

192,464 users

COMPLETELY REDESIGNED TRANSLATOR FOR FIREFOX
ImTranslator translates text, words, webpages between more than 100 languages.
NEW: Inline Translator, Dictionary, access to Google Translate, Microsoft Translator. Unique on the fly localization.

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.

Stylish - Custom themes for any website by userstyles.org

Rated 4 out of 5 stars 1,313 reviews

305,624 users

Stylish lets you customize any website with custom user styles (themes for websites). Choose from the largest userstyles library to change the color scheme, background, and skin for Google, Facebook, YouTube and many, many more sites.

Web Developer by chrispederick

Rated 4 out of 5 stars 491 reviews

248,348 users

The Web Developer extension adds various web developer tools to the browser.

FlashGot Mass Downloader by Giorgio Maone

Rated 5 out of 5 stars 879 reviews

293,910 users

Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.

Flagfox by Dave G

Rated 5 out of 5 stars 887 reviews

231,476 users

Displays a country flag depicting the location of the current website's server and provides a multitude of tools such as site safety checks, whois, translation, similar sites, validation, URL shortening, and more...

gContactSync by Josh Geenen

Rated 4 out of 5 stars 239 reviews

87,807 users

Synchronizes contacts & groups between Thunderbird or SeaMonkey and Google Contacts. Imports Facebook friends, contacts you follow on Twitter, and more.
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