MVVM

• PRISM - Developed by Microsoft, targeting WPF, Silverlight, Windows Phone 7.
• MVVM Toolkit
• MVVM Foundation
• MVVM light by Laurent Bugnion WPF, Silverlight, WP7.
• Light MVVM
• WPF Application Framework (WAF)
• Simple MVVM WPF, Silverlight.
• Caliburn - Caliburn implements a variety of UI patterns for solving real-world problems. Patterns that are enabled by the framework include MVC, MVP, Presentation Model (MVVM), Commands and Application Controller.
• Caliburn Micro - A smaller version of Caliburn.
• Silverlight.FX - Silverlight.FX is a light-weight application framework for building Rich Internet Applications with Silverlight 2.