Builder for Hyperstack (GUI Page / Site Builder)

This MIT licensed React-based tool would make an amazing fit within Hyperstack for rapid building / prototyping apps:
Site: https://builder.io/
Source: https://github.com/BuilderIO/builder

This could be used to build "Hyperstack CMS" or to extend something else like Alchemy CMS on top of Hyperstack - or simply useful for slamming things together quickly to pop out pages.