1)   windowblinds 5.0 2006 5
Customize the look and feel of Windows 2000 or Windows XP with WindowBlinds. It can change virtually every aspect of the Windows GUI such as title bars, push buttons, the Start bar, radio buttons, and scroll bars

 2)   Innovasys Freeware Controls Suite V1.0
The Innovasys Freeware Controls are a small set of controls designed to assist in adding a modern XP / Themed look and feel to your applications. Each control comes with a demonstration and a full context sensitive on-line help file.