I maintain a pretty complex app to draw 2D graphics for 3D objects. For packaging productions. Basically draw your packaging design with 3D preview. So this is basically a 2d3D editor with TONS of business and material knowledge.
It’s powered by react.
But it so decoupled from react you can slap mini gui in any other form / framework in a day
This is how organizations like IRGC work. There is always a big campus like area where there is everything, including schools for indoctrination and new future recruits.