Whether you are building your own CNC Machine/ converting an existing machine or you have simply bought a kit. The Routout software will enable you to control your new addition to the workshop with ease, RoutOut CNC Manager will control your stepper motor step and direction drive board directly from you LPT port (Parallel printer Port) Three axis Control i.e X,Y,Z plus control lines for Turning on / off Router ,Cooling Etc
Best part is, it's FREE !!
Check it out here :
http://www.routoutcnc.com/routout.html
Free CAD CAM Routout CNC V-3.5 Software 2014-12-06
Routout CNC CAD CAM Software