bCNC
GrblHAL (formerly GRBL) CNC command sender, autoleveler, g-code editor, digitizer, CAM and swiss army knife for all your CNC needs.
https://github.com/vlachoudis/bCNC
https://pypi.org/project/bCNC/
error tkinter not found:
https://stackoverflow.com/questions/6084416/tkinter-module-not-found-on-ubuntu