SpellEditor RichTextBox RTF Control
SpellEditor is a RichTextBox RTF control that lets you easily add powerful word processing
functionality to your web or desktop application.
SpellEditor is more than just an RTF control - it also includes useful features like
built-in spell checking and mail merge.
Features like AutoType ensure a pleasant and productive experience for the
users of your application.
The dictionary, spell checking, toolbars, AutoType and pop-up menus are all
customizable to give you maximum flexibility and control.
Features include:

Works with RTF, HTML and DOC files

Print preview, page setup, and customizable printed headers and footers

Easy mail merge using either ADO or XML

Customizable toolbars and context menus

Spell checking as you type

Customizable dictionaries

US, UK English and Medical dictionaries included

AutoType enables faster data entry
RichTextBox RTF Control Comparison Grid: SpellEditor vs. TX Text Control