This product is available as part of an economical suite of tools called the Active WebControls Suite. Html TextBox is an ASP.NET server control that allows users to edit formatted text in a visual environment in exactly the same way as with word processing software (WYSIWYG). Thanks to this control, you enable the users of your web or intranet site to provide documents in rich text format without needing to know the HTML language. Professional version is licensed for unlimited websites on a single server. The xSP allows you to install Html TextBox on all your servers and/or workstations. This is a site licensing : Unlimited servers within your organization.