I bought a used CNC mill off e-bay a while back and this is exactly the kind of resource I have been looking for to really get some use out of it. Still what we

I bought a used CNC mill off e-bay a while back and this is exactly the kind of resource I have been looking for to really get some use out of it. Still what we need is a really good open source CAM program. Most of them are proprietary, slow, or just useless on complex projects.