Integrate (as-you-type and dialog) spell checking functionality and advanced thesaurus functionality into .NET Windows applications. RapidSpell Desktop .NET + Thesaurus Desktop .NET allows you to add spell checking value and advanced thesaurus functionality to any textual application (email, word processor etc) with a couple of lines of code. RapidSpell Desktop can also be used in non GUI contexts using it's spell checking API. Written for .NET in C#, RapidSpell uses combined and separate 140,000 word U.S. & U.K. dictionaries (and user dictionary), multi-threaded GUI and a powerful suggestion engine. Dutch, French, German, Spanish, Portuguese, Brazilian Portuguese and Medical Dictionaries available.