RapidSpell is a highly adaptable and extremely rapid spell checking product. We evaluated as many solutions as we could find, and settled on RapidSpell this turned out to be an excellent decision.RapidSpell Desktop can also be used in non GUI contexts using its spell checking API. Written for dotNET 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.

RapidSpell provides 3 spelling components to add spell check functionality to your applications:

• RapidSpellDialog (dialog based checker control)
• RapidSpellAsYouType (as you type check control)
• RapidSpellChecker (core spell checker class)