Apophysis is a free, open source fractal flame editor and renderer for Microsoft Windows. It was created by http://www.apophysis.org/ Mark Townsend and has since been improved and updated by Peter Sdobnov, Piotr Borys, and Ronald Hordijk (http://sourceforge.net/projects/apophysis/ the SourceForge project developers). It is licensed under the terms of the GNU General Public License (GPL).