The open source mesh processing system
FlightGear Flight Simulator: free open-source multiplatform flight sim
A real-time 3D Engine written in Ada
Xj3D is an open-source Java codebase for the X3D Graphics standard.
3D Without Boundaries
Vivid is a modern C++ 3D engine using OpenGL4+
A dataset of short, object-centric video clips
A public domain cross platform 3D game
3D .NET engine for Windows, Linux, Mac
kicad 3D is aimed to add 3D realistic feature on kicad pcb CAD