Avogadro libraries provide 3D rendering, visualization, and analysis
A modern library for 3D data processing
The open source mesh processing system
Real-time physically based rendering engine for Android, iOS, and more
A renderer agnostic two-dimensional drawing api for the web
aka ogre v2 - scene-oriented, flexible 3D C++ engine
3D GPUs Strange Attractors and Hypercomplex Fractals explorer
A real-time physically based 3D rendering engine for React Native
Support for legacy OpenGL in core profiles
FlightGear Flight Simulator: free open-source multiplatform flight sim
Realtime raytracer using SIMD on ARM, MIPS, PPC and x86
Kokua is a V3 based open source metaverse viewer project.
3D Engine c++
3D fractal rendering software
GLScene Engine for Delphi & C++Builder VCL Windows 32/64
Open Source Solid Modeling CAD
Doing 3D with Tcl