Lumberyard

Amazon Lumberyard is a free, cross-platform, 3D game engine for you to create the highest-quality games, connect your games to the vast compute and storage of the AWS Cloud, and engage fans on Twitch.

The program features a full-featured editor, native code performance, stunning visuals, built-in support for Oculus Rift and HTV Vive, visual scripting tool, and more.