CopperCube is a free easy-to-use 3D engine. Creates Windows and MacOS apps, Android apps and even WebGL apps and HTML 5 websites. Create everything from simple model viewers to full 3D games. With just a few clicks. You can create games and apps without programming. But also supports scripting for advanced users. Lots of successful games have been created with CopperCube, and published on platforms like Steam. Ideal for creating first person shooters, adventures, walkthroughs, simulators, e-learning apps and more.

CopperCube is free, but there is also a pro edition with more features available.