Blender - Blender is the open source, cross platform suite of tools for 3D creation.
MakeHuman - MakeHuman is a free, open source, interactive modeling tool for creating custom 3D human characters.
Sculptris - Sculptris: Enter a world of digital art without barriers.
DAZ 3D - Daz 3D, 3D Models, 3D Animation, 3D Software
Misfit Model 3D - Misfit Model 3D is a 3D model editor that basically operates with triangle-based models.
Poser - Poser is a 3D rendering software package for the posing, animating and rendering of 3D polymesh...