LinuxCNC controls CNC machines. It can drive milling machines, lathes, 3d printers, laser cutters, plasma cutters, robot arms, hexapods, and more. - Accepts G-code input, drives CNC machines in response. - Active user community. - Several different GUIs available. - Compatible with many popular machine control hardware interfaces. - Supports rigid tapping, cutter compensation, and many other advanced control features. WARNING: This port is simulation-only for now. WWW: http://linuxcnc.org/