I’ve been a heavy user of FoxPro [1] back in time. I would really love someone to make a better version of it. Although these days you have Airtable [2] and Ninox [3] they are having different user base than good old FoxPro. 1: https://en.m.wikipedia.org/wiki/Visual_FoxPro 2: https://airtable.com 3: https://ninoxdb.de/en/
I'm working in a spiritual replacement (http://tablam.org) but with first-class support for mobile.
I'm starting with a relational language, then a bridge to native UI Toolkits. Embed sqlite and good support for others RDBMS and as a larger hope, a custom RDBMS on top of LMDB or WiredTiger.