However, that might change soon as Amazon is rebranding it and opening it up. Now called the Open 3D Engine, it's become an open-source project and part of the recently formed Open 3D Foundation.

Recently Amazon announced that they would be open sourcing the 3D engine and related behind their Amazon Lumberyard game tooling effort. As Lumberyard is based on CryEngine 3.8 (~2015 vintage), th… ...