a Linux-like environment for Windows. A way to run native linux apps on Windows and make way to magically make native Windows apps aware of UNIX ® functionality after a rebuild.
Win32-versions of GNU tools, or tools with a similar open source licence. The ports are native ports, that is they rely only on libraries provided with any 32-bits MS-Windows operating system, such as MS-Windows 95 / 98 / 2000 / NT / XP
automatically hardens software applications against a wide range of bugs. These bugs — known as memory errors — often end up as serious security vulnerabilities, cause crashes, or lead to unpredictable behavior.
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.
an application for the Windows user community that misses the wonderful virtual desktop functionality often used on Unix systems. It is simple, powerful and highly configurable.
can mount a floppy image file as a virtual floppy drive and directly access the contents -- view, edit, rename, delete or create files on a virtual floppy, format a virtual floppy, launch a program on a virtual floppy.