ASP Spell Check ( Enterprise License )   
by ASP Spell Check   

ASPSpellCheck provides international spellchecking for your ASP applications. It is suitable for use with W3C HTML and XHTML applications, and has a good degree of accessibility.
With no ActiveX controls Database or DLLs to install, you can be up and running in minutes. ASPSpellCheck can be used on many server-cluster configurations.
ASPSpellCheck provides Spell Checking for:
Forms on websites, Content management systems, Web-mail applications , Browser WYSIWYG html editors and Intranets.