Get as many FPS as you need and amazing effects by rendering HTML/CSS
PHIGS (Programmer's Hierarchical Interactive Graphics System)
A raytracing framework for optical/non-optical physics simulations
simple 3d scene viewer for windows/linux/android
a java based software to convert 2D to 3D images.
A cross-platform game framework based on OpenGL and GObject.
3D game engine for C and C++
A small library to create SDL 2 - OpenGL applications.
An object oriented 3D graphics API on top of OpenGL
Pear3DEngine is a modern and modular 3D development framework
Minimalist 3D Scenegraph Management Framework
A Lightweighted Toolkit For Volume Rendering