These guys are the creators of the killer app called DateJS which we wrote about way back in November. Now the continue with the good work and created Coolite suite. It includes:
* Full Design-Time support in Microsoft Visual Studio 2005 & 2008 and Visual Web Developer 2005 & 2008.
* Drag-and-drop ease of use.
* Current support for Window, Panel and a many Form Controls including DatePicker, Calendar and HtmlEditor.
* New Controls being added weekly.
* Dual Licensed (LGPL 3.0 and Coolite Commercial License).
* Professional support options available shortly.
From the form controls they have included
Check out some examples here