Here’s John H Cochrane (the grumpy economist, Substack) praising refine. This is the post that first clued me into the service: https://www.grumpy-economist.com/p/refine

Here’s the Wikipedia for Cochrane: https://en.wikipedia.org/wiki/John_H._Cochrane

I haven’t tried refine myself, but from second hand reports it seems potentially well designed and useful.