Android Add-ons

DownThemAll! per Nils Maier, Federico Parodi, altres

The first and only download manager/accelerator built inside Firefox!

FlashGot Mass Downloader per Giorgio Maone

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.

Nota de l'autor de la col·lecció undefined

UnMHT per arai_a

UnMHT allows you to view MHT (MHTML) web archive format files, and save complete web pages, including text and graphics, into a single MHT file in Firefox/SeaMonkey.

Mozilla Archive Format, with MHT and Faithful Save per Christopher Ottley, Paolo Amadini

— Open web pages saved with Internet Explorer or other browsers (MHT)
— Save many tabs, video and audio reliably, in a single ZIP file (MAFF)
— Return to the original site you saved a page from, and more!

ReminderFox per Tom Mutdosch, Daniel Lee, altres

ReminderFox zeigt und verwaltet Listen von Erinnerungen und Aufgaben. ReminderFox nutzt einfach zu verwendende Listen mit Warnungen/Alarmen, um Sie an alle Ihre wichtigen Termine zu erinnern.
Reminderfox synchronisiert auch mit anderen Kalendern

Nota de l'autor de la col·lecció This is an incredibly well made and complete reminder/calendar. I advise this strongly to anybody who tends to lose track of time browsing.

Dafizilla Table2Clipboard per dafizilla

Mozilla applications allow to select rows and columns from a table simply pressing Control key and picking rows/columns with left mouse button.
The selection can be copied to clipboard but the original table disposition is lost making ugly results wh...

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Quick Locale Switcher per ppclick

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

UnPlug per h2g2bob

UnPlug is an extension which lets you save video and audio which is embedded on a webpage - it's a video download tool.

Transliterator per Alex Benenson

As-you-type phonetic conversion of text from one alphabet to another, as well as transliteration/detransliteration of selected text anywhere within documents. Supports multiple languages and custom transliteration schemes.

Mozilla Labs - Jetpack Prototype per Mozilla Labs

Jetpack Prototype is an experiment in making it easy to build Firefox add-ons using common web technologies.

Nota de l'autor de la col·lecció As Geasemonkey, also adds features. Check some out : http://userscripts.org/jetpacks or create it yourself

BBCode per Jed Brown, mrtech

Adds BBCode, HTML, XHTML & Symbols formatting to the context menu for forums.