A-Frame

A-Frame is an open-source web framework for building virtual reality (VR) experiences.[1] It is maintained by developers from Supermedium (Diego Marcos, Kevin Ngo) and Google (Don McCurdy). A-Frame is an entity component system framework for Three.js where developers can create 3D and WebVR scenes using HTML. HTML provides a familiar authoring tool for web developers and designers while incorporating a popular game development pattern used by engines such as Unity... Mozilla Hubs Chat room software uses A-Frame. https://en.wikipedia.org/wiki/A-Frame_(virtual_reality_framework)