Web CAM for PCB isolation milling, drilling and cutout. Gerber/Excellon in, GRBL-flavored G-code out. Source: github.com/mobilars/etchless
License texts ship with the installed packages (pip show -f <name>) and in the container image under /usr/local/lib/python*/site-packages.
pip show -f <name>
/usr/local/lib/python*/site-packages