Avogadro libraries provide 3D rendering, visualization, and analysis
The open-asset-importer-library repository
GPU Raytracer from scratch in C++/CUDA
Viewer and exporter for Unreal Engine 1-4 assets
Vivid is a modern C++ 3D engine using OpenGL4+
Tiny but powerful single file wavefront obj loader
A Arch Linux x86_64 distro for Structure From Motion
An object oriented 3D graphics API on top of OpenGL
Minimalist 3D Scenegraph Management Framework