Yes, please modify toolbar configuration files which can be found under CuteSoft_Client/CuteEditor/Configuration/Autoconfigure folder.
<item type="dropdown" name="CssClass" width="80" RenderItemBorder="true" text="[[CssClass]]" command="CssClass" />
<item type="dropdown" name="CssStyle" width="50" RenderItemBorder="true" text="[[CssStyle]]" command="CssStyle" />
<item type="dropdown" name="FormatBlock" width="60" RenderItemBorder="true" text="[[Paragraph]]"
command="FormatBlock" />
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