Transformation utility to rotate coordinates in G-Code files
LaserGRBL Linux solution, LaserGRBL is one of the best software.
DXF2GCODE: converting 2D dxf drawings to CNC machine compatible G-Code
Cross-platform Open-source 2D CAD
A canvas library for generating technical drawings
Free 3D Mobile CAD
AVR simulator IDE
Free multiphysics simulation software package
Set of tools that help CNC machinists
Arduino Powered 60 RBG Pixel Clock, with 24h alarm and count down.
Convert drl files to g code
A finite element data exchange system