1. FoxLingo – Translator / Dictionary 2.7.2
Web page and text translator, dictionary, grammar checker, auto translation, text-to-speech, and language learning services. Supports over 3,000 unique language pairs and 31 online translators, including Google Translate, Wikipedia, and Babylon. Languages: Arabic, Chinese, Czech, Danish, Dutch, English, French, German, Greek, Hebrew, Hungarian, Icelandic, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Romanian, Russian, Spanish, Swedish, Turkish, Ukrainian
2. Quick Translator 0.8.1
The most lightweight and easiest translator. Translate between more than 50 languages with one click or a hot key. Translate from one word to a whole page.
3. AddonFox – Best Firefox Addons! 1.1.7
Automatically install the best Firefox addons! Includes over one hundred hand-picked addons from the following categories: Customization, Downloads, Fun, Languages, Media, Programming, Security, Privacy, Social, and Visual. Easily choose which addons you want and get them installed all at once.
4. gTranslator 1.0.4
Google translate gadget for firefox. This extension translates entire webpages into a language of your choice with one click. Idea comes from Google Translation Bar for Chrome.
5. Quick Locale Switcher 1.7.4
Allows you to quickly switch to a different language (User Interface, Spell Checker Dictionary and Website content) in your Mozilla application.
In-line dictionary for any word you point to or double-click; whole page translation of any web page in another language.
7. Yamli Smart Arabic Keyboard 1.0.7
Write Arabic anywhere on the web using Yamli’s Smart Arabic Keyboard. Also use Yamli’s powerful Arabic search directly from the browser.
With gTranslate you can translate any text in a webpage just by selecting and right-clicking over it. The extension uses the Google translation services to translate the text.
9. BabelFish Instant Translation 1.94
Most easy, highly customizeable, and quick Firefox translation interface: Provides two translation services and additional access to Google’s dictionary!