I’m a little slow. I misread the stuff about this when it first came out and didn’t realize what I was seeing.
patterns & practices Guidance Explorer is a tool that enables discovery, composition and consumption of high quality development guidance. The Guidance Library is a catalog of guidelines and checklists that encapsulate development knowledge in several technologies such as .NET and ASP.NET. The Guidance Explorer tool provides a convenient means to view and edit the catalog. For more in-depth, information, see About Guidance Explorer.
You can read more about it here, and here (screenshots), and download it here.