Paul,
In the integration guide, We just use some CS integration code as examples.
Cute Chat just need the infomation of site membership. For example, you can pass the current username to Cute Chat . You can get this user name from sessions, active directory, cookie .....
Here are the whole list of integration projects. You can use them as a reference.
asp.net Chat http://cutesoft.net/ASP.NET+Chat/default.aspx
Web Messenger: http://cutesoft.net/Web-Messenger/default.aspx
asp.net wysiwyg editor: http://cutesoft.net/ASP.NET+WYSIWYG+Editor/default.aspx
asp wysiwyg html editor: http://cutesoft.net/ASP
asp.net Image Gallery: http://cutesoft.net/ASP.NET+Image+Gallery/default.aspx
Live Support: http://cutesoft.net/live-support/default.aspx