CAM extension for Inkscape to export paths to Gcode
More info at http://www.cnc-club.ru/forum/viewtopic.php?t=35
Inkscape and Gcodetools are licensed under GNU GPL.
Windows
Unpack and copy all the files to the following directory Program Files\Inkscape\share\extensions\ and restart inkscape
Linux
Unpack and save the files to $HOME/.config/inkscape/extensions/Gcodetools and restart inkscape