Open Source Solid Modeling CAD
X3D is the open-standard format for 3D graphics scenes on the Web.
HARFANG 3D source code public repository
Creates 3D models from photographs
Converts between many 3D data formats
A processing system for 3D triangular meshes
Maxwell Render for Blender
A C++ Tool for the Fast Prototyping of Topological Data Structures
Multimedia asset management and manipulator for Étoilé
A microscopic pedestrian crowd simulation system and library
Cuts 3D objects from polystyrene foam (EPS/XPS)