Java3d scenegraph editor
Xj3D is an open-source Java codebase for the X3D Graphics standard.
Open Source Solid Modeling CAD
X3D is the open-standard format for 3D graphics scenes on the Web.
Calculates Volume, Surface Area & Centroid of a Closed Triangular Mesh
A simple and easy to use render farm for Blender
Convert heightmaps to stl