As someone else posted, https://www.scoremyline.com/ https://www.scoremyline.com/ is another metric that is available. GeoWizard collaborated with its creator,

As someone else posted, https://www.scoremyline.com/ https://www.scoremyline.com/ is another metric that is available. GeoWizard collaborated with its creator, and has said that some of his own lines are better with this metric while also stating that the whole thing is of course arbitrary anyway. This seems like a good match for what you seek.