142 Add-ons in this Collection
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Walnut for a wooden look and feel. Walnut is a complete skin redesign so that all windows, widgets, panels, and many extensions have a wooden look and feel.
Install the About Home Themer extension to also theme the about:home page.
F.B. Purity hides the ads, app spam and other annoying clutter from your facebook news feed, lets you increase the font size, change colours plus many more features and generally makes Facebook a lot less annoying to use.
ChatZilla by Gijs Kruitbosch, Robert Ginda, others
A clean, easy to use and highly extensible Internet Relay Chat (IRC) client.
Weather Forecast Plus is the easiest way to check the weather while you browse internet
BlackFox - A dark & hot theme for Firefox.
Fully skinned and animated.
http://en.wikipedia.org/wiki/Text-to-voice. TTS gives Firefox the power of speech. Select text, click the button on the bottom right of Firefox window and this add-on speaks the selected text for you. Isn't it brilliant? Audio is downloadable.
Listen to free, unlimited music with FireTube.
Simply search the artist or song of your choice and enjoy.
Take FireTube on-the-go with the Android app.
'Classic Toolbar Buttons' add-on restores old toolbar button ui (known from Fx 4-7s small view, Fx 4-12s large view & Tb 5-14) for current Firefox, Thunderbird and Seamonkey versions on Windows.
Beta builds on versions page!
Alter Firefox's built-in privacy settings easily with a toolbar panel.
This add-on lets you print a webpage's area easily.
Make some popular websites respect your privacy settings.
Please see the known issues below!