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Moji Requires Restart
An integrated sidebar-dictionary for Japanese and Chinese including kanji dictionary.
Dictionary Switcher Requires Restart
Toggles dictionaries automatically or manually and displays the currently selected one
Словарь синонимовъ RU Requires Restart
Adds to browser Russian(RU) synonyms dictionary from package LibreOffice.
Babylon Dictionary Word Search Requires Restart
Find the definition for a selected word in a web page or an email.
Right click over the selected word, choose the option "Search in Babylon" and that's it! You will have a new window with the definition of the selected word.
To create your own collections, you must have a Mozilla Add-ons account.