GLScene Engine for Delphi & C++Builder VCL Windows 32/64
... the open-source glide computer
sandbox particle simulator that obeys schrödinger's equation
2D Editor to manage garden or flat plan
Design and Display Happy Cube solutions
a very lightweight advanced terrain-rendering and 3D map rendering sys
extreme 3D flight simulator with advanced terrain rendering
Free-roaming 3D racing game featuring advanced terrain rendering
Pear3DEngine is a modern and modular 3D development framework
a realtime graphics library
PixelLight is a cross-platform application framework
A cross-platform OpenGL based lightweight scenegraph library
C++ class library for programming interactive 3D graphics with OpenGL