NUI: Nanc Server Driven UI
Nanc Server Driven UI, called Nui here and later, allows you to implement an interface of almost any complexity out of the box. That being said, you can extend the widgets available to you very easily and do whatever you want.
To learn about Nanc more visit https://nanc.io.
And to learn about Nui more visit https://nanc.io/docs/nui/server_driven_ui.