The beauty of fractals lab (H. Jurgens, H-O Peitgen and D. Saupe; Springer Verlag; for the Macintosh). This program allows one to explore Julia and Mandelbrot sets.
A first course in chaotic dynamical systems software (J. Georges and D. Johnson; designed by R. Devaney; Addison-Wesley; for the Macintosh). Software for six laboratory projects to explore iteration, the Feigenbaum diagram, iterated function systems, and Julia and Mandelbrot sets.
Chaos, the Software (Autodesk; for the PC). This program, billed as a companion to the well-known book by Gleick, is unfortunately no longer available. It includes magnets and pendulum, toy universes, fractal forgeries, Mandelbrot sets, the chaos game and strange attractors.
There are many more programs; the ones listed here are those used in the course.