Avogadro libraries provide 3D rendering, visualization, and analysis
Vulkan-based implementation of D3D9, D3D10 and D3D11 for Linux / Wine
The open-asset-importer-library repository
The open source mesh processing system
A modern library for 3D data processing
Efficient glTF 3D import / export package for Unity
aka ogre v2 - scene-oriented, flexible 3D C++ engine
Helix Toolkit is a collection of 3D components for .NET
Real-time physically based rendering engine for Android, iOS, and more
Lightweight, high-performance HTML renderer for game developers
A real-time physically based 3D rendering engine for React Native
3D GPUs Strange Attractors and Hypercomplex Fractals explorer
FlightGear Flight Simulator: free open-source multiplatform flight sim
3D Engine c++
Kokua is a V3 based open source metaverse viewer project.
GLScene Engine for Delphi & C++Builder VCL Windows 32/64
3D fractal rendering software
Open Source Solid Modeling CAD
Tools to process and visualize scientific data and images
A project that has moved to GitHub