OpenSCAD2CNC which directly converts OpenSCAD scripts to toolpath.
#Cnc simulator open source license
dmap2gcode: converts depth maps to G-Code using image-to-gcode, license GPL v3, is written in Python and Windows executables are provided.dxf2gcode or here the grbl compatible: reads 2D drawings dxf, pdf/ps and generates G-code, license GPL v3, cross-platform, it includes visual simulation.P圜AM: reads STL (binary/ascii), DXF, SVG, PS/EPS and generates G-code, license GPL v3, cross-platform Windows/macOS/Linux, it also has the simulation.
#Cnc simulator open source software
These are the software which takes the CAD file and then generate the tool-path in machine language.