Helix Toolkit is a collection of 3D components for .NET
3D Without Boundaries
FlightGear Flight Simulator: free open-source multiplatform flight sim
GLScene Engine for Delphi & C++Builder VCL Windows 32/64
Tools to process and visualize scientific data and images
Interactive 3D Layout Viewer for GDSII
Support for legacy OpenGL in core profiles
Viewer and exporter for Unreal Engine 1-4 assets
Tao3D is a programming language for real-time interactive 3D
A declarative 3D globe data visualization library built with Three.js
PyMOL is an OpenGL based molecular visualization system
Program for drawing 3D surfaces from parametric equations
Short C++/Java/C#/Python benchmark
3D .NET engine for Windows, Linux, Mac
Design and Display Happy Cube solutions
XNA based game engine completely written in c#
ITK-SNAP static builds for Windows 64-bit(only one file)