Blender - Blender is the open source, cross platform suite of tools for 3D creation.
SOLIDWORKS CAM - SOLIDWORKS CAM is an add-in that provides you the leverage of computer-aided manufacturing, allowing you to generate g-code and m-code for CNC machining of different parts.
FreeCAD - An open-source parametric 3D modeler
Inventor CAM - Inventor CAM is one of the agile, integrated CAM software, aiding out users to streamline their manufacturing process having rich functionalities and features in place.
MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming
SprutCAM - SprutCAM all-in-one software for CNC machines programming