Electronic thesaurus (entirely in German). Provides synonyms, usage information, and usage examples taken from recent publications.
To access, click on link, then bilingual dictionaries, then German dictionary.
Includes Langenscheidt German-English dictionary, Bertelsmann German dictionary, and Wahrig Rechtschreibung.
A German grammar checker from Duden.
BAB.LA The German-English-German dictionary with pronunciation, conjugation and context sentences. Also contains quizzes and games.