An important part of this packages is the X11 System calls (no small feat), and allows UNIX programs to be compiledĪnd run in Windows. InĪ nutshell, Cygwin comprises a set of DLL files implementing UNIX Is an implementation of RedHat Linux that runs under Windows. Is not a graphics program) are based on X11, the UNIX-based graphicsĮnvironment, which not compatible with Windows API.Įtc., are all UNIX based. However, the graphics of all except netgen (which Magic, XCircuit, IRSIM, Netgen, Qrouter, Qflow, and PCB are all Open-source tools for Windows Open-source tools for Cygwin on Windows