Apophysis is a free of charge fractional flame generator, distributed under an OpenSource license. The program is closely related to programs such as Oxidizer and Electric Sheep. Fractional flames are very attractive visually and are perfect as backgrounds, desktop wallpaper and so on.

Apophysis allows you to cross flames using genetic algorithms, set their colours, position on the image and set sequences of crossed flames. It can be used to render both sequences of images and films depicting the crossing of flames. Examples of images can be found on the project community website.