What does HackerNews think of o3de?
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.
AFAIK all development in Lumberyard has ceased and moved to O3DE.
> ...That’s why the Linux Foundation has announced the Open 3D Foundation, with AWS seeding the foundation with the Open 3D Engine (O3DE). O3DE is a AAA-capable, cross-platform open source game engine. As part of an open source community, O3DE can expand 3D development for games and simulations by providing all the tools that developers need to bring their real-time 3D environments to life.
ie. This is lumberyard, which is "Amazon Lumberyard is a now superseded freeware cross-platform game engine developed by Amazon and based on CryEngine (initially released in 2002), ..."
https://aws.amazon.com/blogs/gametech/open-3d-engine/
...but, love it or not, the source is Apache 2.0 (https://github.com/o3de/o3de), so there's sure to be some stuff you can grab there to use in other things.
Seems to be opensourced engine based on Amazon's Lumberyard engine, which itself was based on Crytek's engine (!!).