Fracplanet is an interactive tool for creating random fractal planets
Fracplanet is an interactive tool for creating random fractal planets and terrain areas with oceans, rivers, lakes and icecaps. The results can be exported as models to POV-Ray and to Blender, or as texture maps for more general usage. The code is licensed under the GPL. It uses Qt and OpenGL.

The documentation of the version currently under development can be viewed. (Note that this may describe a few new and under-development features not available in the released versions.) you can free download fracplanet 0.3.0 now.