LaserGRBL Linux solution, LaserGRBL is one of the best software.
Transformation utility to rotate coordinates in G-Code files
Program for transferring G-code to Burny 1250 or Burny 1250+
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
Open Source Digital Laboratory - CAM module
ECEbuntu - a customized operating system designed for ECE
2.5D CAD CAM emphasis on CAM and toolpaths
Modular CNC software for Arduino controller
3D CAM program for CNC mills/lathes
CNC machine code generation for 3D models
Universal CNC
Arduino Powered 60 RBG Pixel Clock, with 24h alarm and count down.
Parallelism without the Pain
Software For CNC Plasma Tube Cut Profile Creation
A CAD/CAM Package for CNC GCode Creation
Lathe CNC using C# and an Arduino Due