aton

ATON framework is based on modern web standards and technologies to create interactive, liquid and collaborative Web3D/WebXR apps targeting Cultural Heritage field. It adopts a “develop once, deploy everywhere” approach, providing building-blocks and a modular architecture. Maintained by phoenixbf on GitHub, where it has earned 100 stars from the community.

It's actively developed around 3d, collaborative, collaborative-framework, and is a solid reference for anyone building with these tools.