LaserGRBL Linux solution, LaserGRBL is one of the best software.
CAD Application entire developed in Python
A canvas library for generating technical drawings
Application Integration for HPC Multiphysics
Open Source Digital Laboratory - CAM module
CNC Interpreter for Arduino
Modular CNC software for Arduino controller
Create G Code from a Picture of the PCI.
Open Source FabLab Project
Cuts 3D objects from polystyrene foam (EPS/XPS)