LaserGRBL Linux solution, LaserGRBL is one of the best software.
Helps with the Mach3 CNC Threading functionality
Specialised variant of GRBL focused on motion of up to five axes
AVR simulator IDE
Dedicated to computer-aided engineering Linux distribution
ECEbuntu - a customized operating system designed for ECE
Manipulator or Industrial Robots MOtion Path 3D simulation and animat
GCode sender for ramps and marlin firmware for CNC Milling Machine
CNC control software
Open Source FabLab Project
CNC control system
Cuts 3D objects from polystyrene foam (EPS/XPS)
Software to control an Open Source Hardware CNC