aka ogre v2 - scene-oriented, flexible 3D C++ engine
Interactive 3D Layout Viewer for GDSII
For building cross-platform 3D geospatial apps in Java
Cross Platform Professional Procedural Terrain Generation & Texturing
Open Source graphic tool and alternative to Insane Bump
Prerenders static HTML in a single-page application
Game engine supporting many 3D/2D formats and graphic effects
diagrammatic 3D in a web browser using SVG