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.
K-3D features a robust, object oriented plugin architecture, designed to scale to the needs of professional artists. It is designed from the ground up to generate motion picture quality animation using RenderMan compliant render engines.