For the fractal I refound the free father prog Fractint :)
http://spanky.triumf.ca/www/fractint/fractint.html (dos)
http://spanky.triumf.ca/www/fractint/getting.html windows :)

free Chaos Pro the son of the father :D http://www.chaospro.de/

Free Fractal explorer http://www.eclectasy.com/Fractal-Explorer/