Put the following code on the top of your page:
<%@ Register TagPrefix="CE" Namespace="CuteEditor" Assembly="CuteEditor" %>
You need to add the CuteEditor instance somewhere in your page as well:
<CE:Editor id="Editor1" runat="server" ></CE:Editor>
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