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.

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.

English-French offline dictionary

Simple dictionary and offline Wikipedia reader.

Dictionnaire Littré

Langtolang Free English Japanese And Japanese English Dictionary with online lookup. It has auto-suggestion feature.

Langtolang is a multilingual dictionary.