Thanks to BeeJay for the heads up on this by way of Back Page News. :)
Download and experiment with source code for key .NET technologies. The Microsoft Shared Source CLI Implementation is a complete implementation of the ECMA C# and CLI standards in source code form.
The Microsoft Shared Source CLI Implementation is a file archive containing working source code for the ECMA-334 (C#) and ECMA-335 (Common Language Infrastructure, or CLI) standards. These standards together represent a substantial subset of what is available in the Microsoft .NET Framework. In addition to the CLI implementation and the C# compiler, the Shared Source CLI Implementation contains a cornucopia of tools, utilities, additional Framework classes, and samples. It will build and run on the Microsoft Windows XP and the FreeBSD operating systems.
On Windows XP you will need:
You will need FreeBSD 4.5 if you work with the Shared Source CLI on FreeBSD.
Download: The Shared Source CLI Beta 11.4Mb
This is BETA software!, please use caution when installing it on your system