LaserGRBL Linux solution, LaserGRBL is one of the best software.
DXF2GCODE: converting 2D dxf drawings to CNC machine compatible G-Code
Transformation utility to rotate coordinates in G-Code files
AVR simulator IDE
Dedicated to computer-aided engineering Linux distribution
Solution for changing your device into full-feature CNC controller
3D CAM program for CNC mills/lathes
Manipulator or Industrial Robots MOtion Path 3D simulation and animat
GCode sender for ramps and marlin firmware for CNC Milling Machine
Convert drl files to g code
qnutCNC is a program to control the ethernut development board
Cuts 3D objects from polystyrene foam (EPS/XPS)