Wikipedia
Wintertree
Wintertree is a spell checking server that includes 100,000 words of American, British, and Canadian English dictionaries. The dictionary contains hundreds of common misspellings for the English language and offers corrections based on the misspellings. Created by Wintertree Software, The spelling server can be implemented to HTML Forms and ASP, ASP.NET applications that run IIS ( Internet Information Services).
Wintertree Software was created in 1990 and incorporated in 1992. Wintertree Software has been proudly serving and implementing their software in many Fortune 500 companies including AT&T, Autodesk, Mercedes-Benz USA, and American Express.