Morph Thing - What will my baby look like if I make babies with my partner, friends, or celebrities?
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
MakeMeBabies - Baby generator using face recognition to predict what your baby will look like.
Sculptris - Sculptris: Enter a world of digital art without barriers.
FutureBaby - Make use of advanced facial detection to see how your baby could look.
Misfit Model 3D - Misfit Model 3D is a 3D model editor that basically operates with triangle-based models.