I found entt to be a good, reasonably approachable entity system for C++. It written in a modern, very generic style, but I don't find it to be obscure. https:

I found entt to be a good, reasonably approachable entity system for C++. It written in a modern, very generic style, but I don't find it to be obscure. https://github.com/skypjack/entt https://github.com/skypjack/entt