Delta3D - Open source gaming & simulation engine backed by the U.S. Military

Delta3D - Open source gaming & simulation engine backed by the U.S. Military A well-supported and fully-funded open source project, Delta3D is a full-function game engine appropriate for a wide variety of modeling & simulation applications. Delta3D's modular design integrates other well-known Open Source projects such as Open Scene Graph(OSG), Open Dynamics Engine(ODE), Character Animation Library (CAL3D), and OpenAL, integrating them in an easy-to-use API.