I ended up building this into our data warehouse system as managing my own UI for a KVP data store became a nightmare with rapidly changing requirements. It's i

I ended up building this into our data warehouse system as managing my own UI for a KVP data store became a nightmare with rapidly changing requirements. It's in PHP but allows reporters and producers to enter their data in a spreadsheet and then allows us to publish it out to JSON for use in D3 or leaflet. It's greatly sped up our process for visualization.