This is one of the best I have found: http://www.tentouchapps.com/grafio http://www.tentouchapps.com/grafio It makes good looking diagrams very quickly withou

This is one of the best I have found: http://www.tentouchapps.com/grafio http://www.tentouchapps.com/grafio It makes good looking diagrams very quickly without hampering creativity. It requires almost no effort on formatting and beautification. I wish they had an app for the desktop. People have requested the same on their forums a few times.