aka ogre v2 - scene-oriented, flexible 3D C++ engine
3D GPUs Strange Attractors and Hypercomplex Fractals explorer
Realtime raytracer using SIMD on ARM, MIPS, PPC and x86
rayshade and POV for Mathematica Export + view
Vivid is a modern C++ 3D engine using OpenGL4+
Shadow mapping in Qt3D using C++
A shader-based software renderer written from scratch in C89
Braille & ASCII world map renderer for your console
Vivid Engine 2 is an open source 3D Engine coded using C# and C++.
3D Software Renderer in 700 Lines
3D .NET engine for Windows, Linux, Mac
XNavigator is a Virtual Earth browser and viewer for http://osm-3d.org