Dot-NetMap has gone public under the Ms-PL license (no longer a pure research project), so I can findally start using it!
There's also an Excel addin and a stand-alone app.
The DiffPlex project is a combination of a .NET Diffing Library with a Silverlight and HTML diff viewer. It is released open source under the MS-PL license.
The F# PowerPack is a collection of libraries and tools for F#, provided by the F# team at Microsoft, but which is not part of the core F# release.
The PowerPack include features such as a basic Matrix library and supporting math types, FsLex and FsYacc tools for lexing and parsing, support for using F# with LINQ-based libraries, and a tool for generating HTML documentation from F# libraries.
A slick Shell Namespace extension for Windows Vista to allow you to browse and search the registry in Explorer. Looks really nice - licensed under Ms-PL
A sample project to implements a custom chrome with a UI similar to what Office 2007 does with its caption area... Basically achieves the effect, respecting the Theme chrome, and providing the same (not quite right) right-click menu on the caption as Office 2007 does
Microsoft an ASP.Net MVC "Sample" (or is it a starter kit?) source code that can be used by Web developers to build blog engines into sites ... it's called "Oxite" and it's the software running the blogs on MIX Online. http://www.codeplex.com/oxite