LaserGRBL Linux solution, LaserGRBL is one of the best software.
cppcam is a 3D CAD app for drafting G-Code toolpaths for CNC Routers
AVR simulator IDE
Special Raspbian image system
3D CAM program for CNC mills/lathes
Arduino Powered 60 RBG Pixel Clock, with 24h alarm and count down.
Cuts 3D objects from polystyrene foam (EPS/XPS)