The Ajax Control Toolkit – April 2013 Release is officially out which can be downloaded from CodePlex.
The April 2013 edition of the Ajax toolkit includes the 2 new controls
What is Ajax Control Toolkit?
Ajax Control Toolkit is contains a rich controls that allows the developers to build Ajax-enabled Web application in .NET.
Some of the popular controls that are part of the Ajax Control Toolkit includes AutoComplete textbox, Collapsible Panel, ColorPicker etc.
Download Ajax Control Toolkit – April 2013 Release from CodePlex