AutoDesk Autocad people their online Fusion360 with HSMworks. It is free for business less than 100k per anum. Takes a bit of learning if you have used Solid works , but it is free and works really well. My son learnt in 1 week how to model a propeller and then posted the code to our mill to cut each side of the carbon props. The presets in HSMworks work very well for a variety of materials. It does take some time to get a tool library of the actual tools you have, but is really worth doing. I have not done any cue work on my mill, but have made piston blanks and other parts for my model planes.
It posts the code for Mach3 no problems at all.
Neil