MandelSpawn is a parallel Mandelbrot program for the X window
system by Andreas Gustafsson.  

Mandelspawn has a home page at:
http://www.araneus.fi/gson/mandelspawn/

It can be downloaded from:

http://www.araneus.fi/gson/mandelspawn/releases/mandelspawn-0.07pl2.tar.gz.

MandelSpawn is no longer maintained.