Windows Live ID Client 1.0 SDK

The Windows Live™ ID Client 1.0 software development kit (SDK) provides a managed API for Windows Live sign-in from within desktop client applications. Included in the release is a sample application together with its source code so that you can build your own client applications.

Visual Studio 2010 SDK

The Visual Studio 2010 SDK provides tools and templates for building Visual Studio extensions. By using the Visual Studio 2010 SDK, you can build your own tool windows, create menu commands, and add extensions to the new Visual Studio editor and other features.