Object-Oriented Graphics Rendering Engine (OGRE) is a scene-oriented, real-time, 3D rendering engine, as opposed to a game engine. OGRE is cross-platform and abstracts from the underlying system libraries, like Direct3D and OpenGL.
License: Open Source
OGRE (Object-Oriented Graphics Rendering Engine) is a powerful 3D rendering engine suited for complex graphics applications, while Pygame is a more accessible library focused on 2D game development. OGRE is ideal for developers looking for advanced rendering features, whereas Pygame is perfect for beginners and simpler projects.