Silverlight Elements is a suite of production ready Silverlight controls designed to help you create stunning applications faster and more easily than ever before. Silverlight Elements contains 32 beautifully crafted controls.
Silverlight Viewer for Reporting Services: the first product intended for displaying Reporting Services reports directly in Silverlight applications. SV is a native Silverlight control which is easily integrated into any Silverlight application.
yFiles for Silverlight is an extensive class library for applications that are based on the Microsoft Silverlight Framework. yFiles for Silverlight provides high-class UI controls for viewing and editing diagrams.