The Prism Software Factory is a software factory for Visual Studio 2010 assisting developers in the process of building WPF & Silverlight applications based on p&p's Composite WPF & Silverlight Guidance (formerly Prism). It's developed in C# and is based on GAX&GAT for VS 2010.

patterns & practices for Windows Phone 7 development - Community site

Some sample code demonstrating how various GUI architectural patterns can be implementing in WPF.