Control Software - UCCNC
Like a modern version of Mach3. But better, and cheaper.
Cad/CAM:
AutoCAD - 90% of my CAD/CAM. Been using it daily for 20 years.
Fusion 360 - for the Parametric CAD and assemblies.
Aspire - for V Carving and relief modeling.
MeshCAM - 3D CAM
Lightwave - 3D modeling.