aka ogre v2 - scene-oriented, flexible 3D C++ engine
A real-time physically based 3D rendering engine for React Native
FlightGear Flight Simulator: free open-source multiplatform flight sim
3D fractal rendering software
Interactive 3D Layout Viewer for GDSII
Vivid is a modern C++ 3D engine using OpenGL4+
Geometry processing library for Python
Vivid Engine 2 is an open source 3D Engine coded using C# and C++.
A Realistic and Rich 3D Environment
Texture font for OpenGL applications
Simple to use headers only library
Minimalist 3D Scenegraph Management Framework
A 3D rendering / entity engine