3D Engine c++
FlightGear Flight Simulator: free open-source multiplatform flight sim
Open Source Solid Modeling CAD
DirectX 8 to OpenGL wrapper for legacy apps and portability
Interactive 3D Layout Viewer for GDSII
LDraw™ editor for LEGO® style digital building instructions.
Realtime raytracer using SIMD on ARM, MIPS, PPC and x86
3D Without Boundaries
Tao3D is a programming language for real-time interactive 3D