Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D engine that enables developers and content creators to build AAA games, cinema-quality 3D worlds, and high-fidelity simulations without any fees or commercial obligations.

The O3DE website

Technical Steering Committee

Atom sample viewer project for the Open 3D Engine

NetSoakTest project

Multiplayer sample project for the Open 3D Engine