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British English Dictionary
British English Dictionary R1.19 for Firefox, Thunderbird and SeaMonkey by David Bartlett.
To enable, right-click in a multi-line text box, select "Languages", then "English / United Kingdom".
Ukrainian dictionary
Google Encrypted
Duck Duck Go (SSL)
Duck Duck Go is a search engine that does not collect or share personally identifiable information. This search bar add-on utilizes SSL to protect searches between You and Duck Duck Go.
General Catalan dictionary
Canadian English Dictionary
For some reason, Mozilla doesn't have a Canadian localization team, but I know that even the British dictionary doesn't quite cut it for the truly patriotic.
Unofficial Qwant Lite
The purpose of the site http://lite.qwant.com (hereafter “the Website”) is to provide a light version of the Qwant Search Engine (https://qwant.com). This version is compatible with the previous versions of Windows Internet Explorer 9.
German Dictionary, classical spelling standards
German Dictionary according to the classical spelling standards for spell-checking in Firefox and Thunderbird
Torrent
Search for Torrents across all the major Torrent Trackers and Torrent Directories.
Torrent is a simple interface to the IPduh Torrent Search
Russian Hunspell dictionary
Создан на основе словаря Лебедева. Файл аффиксов постепенно переписывается, словарь ежедневно пополняется. Релиз выкладывается один раз в месяц первого числа.
Hungarian Dictionary
Makepolo Search
Český slovník pro kontrolu pravopisu
Slovník pro kontrolu pravopisu pro aplikace Mozilla
German Dictionary, extended for Austria
German dictionary (new Orthography) for spellchecking in Mozilla products, extended with Austrian words
hongxing cross the wall search
hongxing search cross the wall .
hongxing browse ,the extension on mozilla : https://addons.mozilla.org/zh-CN/firefox/addon/247541/
the others IE ,chrome ,safari ,opera extensions is here: http://fwall-w.appspot.com
German Dictionary (Switzerland)
Dictionary with Swiss variants of German words for spellchecking in Mozilla products
Google.de
Danish Dictionary for the Spell Checker
Danish dictionary for Firefox, Thunderbird and other Mozilla products.
DogpileTo create your own collections, you must have a Mozilla Add-ons account.
