The Softaculous Group has released a free VPS Control Panel for CentOS that supports OpenVZ virtualization

Virualizor is a powerful web based VPS Control Panel. It supports OpenVZ virtualization.

Admins can create a VPS on the fly by the click of a button
VPS users can start, stop, restart and manage their VPS using a very advanced web based GUI.

Users and Admins can see various sorts of Graphs in order to better manage their resources.

Virtualizor is a FREE product and installing it is very simple.

Requirements
CentOS 5.x (x86 or x86_64)
YUM

  Virtualizor VPS Panel 1.0 released