apophysis 7x
Apophysis 7X.15D
Apophysis was written with Delphi 5.0 and is now developed using Delphi XE2
The rendering engine (with some modifications) comes from a screensaver by Ronald Hordijk: http://home.kabelfoon.nl/~rhordijk/progs.html#flame The original flame code was written by Scott Draves: http://flam3.com/index.cgi?&menu=code
To compile you'll need a few third-party controls and libraries:
http://www.tmssoftware.com/scriptstudio.htm
http://www.destructor.de/
http://www.indyproject.org/
http://pngdelphi.sourceforge.net/