Orx: Portable Game Engine
Delphi : VRCalc++ OOSL & + (Paged List, TextEditor, VRAstroVision ...)
Everything you need to build and deploy scalable realtime 3D apps
Cinema Enters Game Console
ZED OS the clone of Windows XP
3D .NET engine for Windows, Linux, Mac
A cross-platform OpenGL based lightweight scenegraph library