Offline French Dutch dictionary. Dictionnaire Français-Néerlandais.
Frans-Nederlands Woordenboek.
More than 45.000 words! FREE!

Offline English Danish dictionary. More than 91.000 words. FREE!
Engelsk Dansk ordbog offline. Mere end 91.000 ord! GRATIS!

Offline English Portuguese Dictionary. More than 38.200 words. FREE!
Dicionário Inglês Português Offline. Mais de 38.200 palavras. GRÁTIS!

Online Dictionary - Multiple dictionaries including: English dictionary, medical dictionary, legal dictionary, financial dictionary, computer dictionary, thesaurus, dictionary of acronyms and abbreviations, dictionary of idioms, thesaurus, Columbia encyclopedia, Wikipedia encyclopedia, Hutchinson encyclopedia, examples from classic literature, pronunciations, word browser, glossary. Free access.

Application unofficial The Free Dictionary, thefreedictionary.

QuickDic Uses data from Wiktionary and Beolingus to generate dictionary files that can be used offline.

DictionaryForMIDs is a multi-purpose, offline dictionary application. Many dictionaries are available for automatic (may take a while) or manual installation, you can even create your own dictionary using tools from the website.