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

Atom sample viewer project for the Open 3D Engine

Documents and communications for the O3DE Graphics-Audio Special Interest Group

Technical Steering Committee

Documentation and materials for the Open 3D Engine Platforms Special Interest Group (SIG)

O3DE Artwork and Logos