LaserGRBL Linux solution, LaserGRBL is one of the best software.
cppcam is a 3D CAD app for drafting G-Code toolpaths for CNC Routers
Specialised variant of GRBL focused on motion of up to five axes
AVR simulator IDE
ECEbuntu - a customized operating system designed for ECE
CNC control software
Cuts 3D objects from polystyrene foam (EPS/XPS)