Large parts of the source code to NT4 and 2000 were leaked and are trivially available - and there's also the WRK for more modern kernel sources. Of course, si

Large parts of the source code to NT4 and 2000 were leaked and are trivially available - and there's also the WRK for more modern kernel sources. Of course, simply having read illegally-downloaded, copyrighted microsoft code makes you a liability in the eyes of several open source projects such as Wine and ReactOS. That doesn't stop some people making interesting windows distros, though - my favourite example is this attempt at recreating NT history: http://www.betaarchive.com/forum/viewtopic.php?f=21&t=10880 http://www.betaarchive.com/forum/viewtopic.php?f=21&t=10...