Windows X-server based on the xorg git sources (like xming or cygwin's xwin), but compiled with Visual C++ 2012 Express Edition. Source code can also be compiled with VS2008, VS2008 Express Edition and VS2010 Express Edition, although current project and makefile are not fully compatible anymore. Versions starting from 188.8.131.52 are not compatible with Windows XP anymore.
64-BIt Operating System with Compiler
TempleOS is a 64-bit kernel with compiler, graphics library and tools. It is not a Unix. It was made from scratch.
XBMC Skinning Project is a side-project for hosting open source skins and skinning tools for XBMC Media Center. Any skin author/developer may apply to join to get write access to this projects CVS/SVN/GIT, tracking tools, file publishing, and more.
The Virtual Tab Window Manager. vtwm is a descendant of the reference X11 window manager, twm, enhanced to provide virtual desktops plus many other features, whilst remaining small and efficient.