Here are several tools, samples and snippets that have been released into the public domain.
These are provided as "unsupported" code and samples.
The MVVM Helper + Behavior library is a set of classes for WPF developers to help them build Model-View-ViewModel oriented applications. It includes some useful WPF classes, a base framework for MVVM and a bunch of Blend behaviors, triggers and actions.
There are lots of examples available at http://www.julmar.com/blog/mark
You can install MVVMHelpers through NuGet (www.nuget.org) - just search for MVVMHelpers, it will add the latest version into your project automatically!
This application provides some useful command-line tools for managing a TFS server. Arguably the most useful feature is the ability to move a work item from one Team project to another. It comes with full source code.