Attached Link: http://fractals.iuta.u-bordeaux.fr/f-art-faq/index.html

FracPPC http://www.fractaldomains.com/html/download.html#FracPPC

Aros Fractals
http://www.arosmagic.com/Fractals/

Fractint
http://spanky.triumf.ca/www/fractint/fractint.html

POV Ray
http://www.povray.org/

Paul Bourke
http://astronomy.swin.edu.au/~pbourke/fractals/fracintro/

Or, if you have Photoshop, get KPT5.

Many generators work fine under Wndows emulators on a Mac, but very, very slowly.

For all fractal related information try the Fractal Art FAQ. It's links are invaluable and the whole file can be d/l and used on your computer as is or when on line.
http://fractals.iuta.u-bordeaux.fr/f-art-faq/index.html