The plugin that offers a professional, for a free and open-source 3D computer graphics software toolset used for creating animated films, visual effects, art, 3D printed models, interactive 3D applications and video games,   3D modeling of what?
ManuelbastioniLAB ManuelbastioniLAB is a free and open source plug-in for Blender for the parametric 3D modeling of photorealistic humanoid characters.
Softimage 3D Softimage|3D is a discontinued high-end 3D graphics application developed by "Softimage, Co.", which was used predominantly in the film, broadcasting, gaming, and advertising industries for the production of 3D animation. It was superseded by Softimage XSI in 2000.