Mirror Engine
V1, Mirror Classic. V2, Mirror Engine: Join Discord for access
...The goal of the platform is to allow developers and creators to collaboratively build interactive worlds in real time without needing to manage backend infrastructure such as networking, asset hosting, or authentication systems. The repository includes components for both the engine application and supporting server infrastructure, allowing the platform to function as a full game development ecosystem. The engine aims to simplify the process of building multiplayer experiences by providing built-in networking, asset management, and synchronization systems.