Getting Started With the Windows Live Tools: Windows Live Tools Brings a Set of Windows Live Services Right Into Your Visual Studio Development Environment.

The Windows Live Tools for Microsoft Visual Studio enable developers to incorporate a set of Windows Live services into their web sites using Visual Studio and ASP.NET via a set of ASP.NET Server Controls. Microsoft released the second Community Technology Preview (CTP) of the Windows Live Tools in December, 2007. By downloading the toolset, one can start integrating Windows Live Contacts, Windows Live ID Authentication, and Silverlight Streaming services into the web site.