Chris Coyne created a small language for design grammars called CFDG. These grammars are sets of non-deterministic rules to produce images. The images are surprisingly beautiful, often from very simple grammars. cfdg is a command-line tool to produce images in PNG format from these grammars. Maintainer: jared r r spiegel <jrrs@ice-nine.org> WWW: http://www.contextfreeart.org/