Ultralingua Grammatica Spelling and Grammar Checker - German is a great application that comes with sophisticated error recognition and extensive suggestions. Grammar checking Detection of subtle problems in grammar, syntax, punctuation 500,000+ forms Includes conjugated verb forms, slang, and even technical language. Launch with a click Use a single keystroke to activate Grammatica from within other applications. Verb conjugation Conjugate verbs in every tense! Expandable and Customizable Add other language modules -- even add your own entries!