Flea is a total rewrite of the LPARSER 3D fractal generator in the very-high-level language Ruby. Flea's backend is POVray; it outputs pretty pictures like these:
The project includes a port of LPARSER's POVray drive train into GNU C++, so it now compiles on more platforms.
Here's its project page:
Don't let the 0.1 version fool you - the system has dozens of features, all thoroughly tested. This is no "Beta" release.... read more