a suite of tools based on the Unix tool design principles allowing the processing of Windows application data with sophisticated data manipulation pipelines.
The UWIN package allows UNIX applications to be built and run on Windows XP/2000/NT/ME/98/95 with few, if any, changes necessary. UWIN source and binaries are available under the open source Common Public License 1.0.
port of the X Window System server to Windows. It shares the same source code base as Cygwin/X, but does not depend on the Cygwin environment or cygwin1.dll. Xming is a fully featured X11 server for Windows that is very simple to install and use.