Earlier quoted context omitted.
Have you tried Budibase? For reference, I am the cofounder of Budibase and we're planning 2023 so I am super-eager for feedback. https://github.com/Budibase/budibase
Some feedback, as you asked for it and I signed up for both OpenBlocks and Budibase cloud versions today to try them out: (NB: If I like either or both of them I’ll self host, as I have no interest in SaaS, indeed it’s what’s stopped me from using things like Retool despite missing RAD tools ever since Delphi stopped being a viable solution for me.) OpenBlocks dropped me quickly into its pretty snappy app (literally…
But! We are updating our onboarding to be quicker. In re to app perf, it's a little surprising. It's an area we don't get much neg feedback on so I'm happy you reported it. I'll feed this back to the team.