irrlicht is described as 'The Irrlicht Engine is an open source high performance realtime 3D engine written in C++. It is completely cross-platform, using D3D, OpenGL and its own software renderers, and has all of the state-of-the-art features which can be found in commercial 3d engines' and is a game development tool in the development category. There are more than 10 alternatives to irrlicht for a variety of platforms, including Windows, Linux, Mac, Web-based and Android apps. The best irrlicht alternative is Torque 3D, which is both free and Open Source. Other great apps like irrlicht are OGRE, HARFANG 3D, Pygame and MOS.