Did you ever made a production machine on steroids?
AVR simulator IDE
Dedicated to computer-aided engineering Linux distribution
2.5D CAD CAM emphasis on CAM and toolpaths
Modular CNC software for Arduino controller
Set of tools that help CNC machinists
Create G Code from a Picture of the PCI.
CNC machine software for transmit and receive CNC program
Manipulator or Industrial Robots MOtion Path 3D simulation and animat
Software For CNC Plasma Tube Cut Profile Creation
Python Module to generate g-code
4.4BSD-based UNIX-like operating system for CNC / machine control