Well, any Data Driven App is a front end for a DB. The big question is ratio of how much "free" functionality given by tool/paradigm and what is must be coded

Well, any Data Driven App is a front end for a DB. The big question is ratio of how much "free" functionality given by tool/paradigm and what is must be coded manually. Good examples with a great free lunch ratios are a spreadsheet and web server-browser. The post explores application feasibility of the main idea behind Web - a traversable link embedded in text(content) - to the Database environment. The main free lunch effect achieved by replacing traditional tech stack by integrated environment. The RAD effect of the environment (paradigm + language + infrastructure)is much higher then state-of-the-art. There were a few dozen apps built and deployed. The story is allegorical, that's the problem.