This is a WPF library containing a powerhouse of controls, frameworks, helpers, tools, etc. for productive WPF development. If you have ever heard of Drag and Drop with Attached properties, ElementFlow, GlassWindow, this is the library that will contain all such goodies.

This is the main site for updates on the WPF roadmap and the portal for accessing the WPF Toolkit and the WPF Futures releases.