DLR Pad gives you the expressiveness of dynamic languages at your finger tips, while developing WPF based application. Using DLR Pad you can define a sample UI using XAML and then script against it using IronPython or IronRuby. DLR Pad is ideal for rapid testing of some functionality or for early experimental and proof-of-concept applications. DLR Pad features Xaml Pad like functionalities plus Dynamic Language Runtime support (currently only IronPython and IronRuby are implemented) for writing code against the defined XAML. Simple IntelliSense is provided as well.

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.

Hybrid Clock for Microsoft Silverlight 2.0 contains the "best of both worlds": Analog and Digital controls in perfect harmony used for Date/Time visualization. It's written in XAML, C# and JavaScript and could enhance any Silverlight-enabled .NET Web application.

LogicCircuit – is educational software for designing and simulating digital logic circuits.

PaperBoy is a free rss reader written using Windows Presentation Foundation and .NET 3.5 SP1. PaperBoy has new interesting features like themes/skin, an innovative HTML visualization, client syncronization and it uses IE 7.0 feed API as repository, so you can subscribe to feeds using your browser.

xaml2emf, xaml2drawing, xaml2xps, xaml2png, etc - a library and command line tools for performing batch operations on Xaml files.