Almost a decade ago I worked on a visual web IDE called NudgePad, did some visual stuff for FirefoxOS, and a little bit of visual stuff at Microsoft.

Currently I'm working on a data science tool called ohayo (https://github.com/breck7/ohayo) that combines text coding with visual programming. It's geared toward similar use cases as RStudio, JupyterLab, Tableau or Observable, but takes a different approach.

At a higher level I'm working on Tree Notation: http://treenotation.org/. My not-at-all-humble contention is that this syntax is a breakthrough that will allow visual programming to become commonplace generally (it already is in some fields with tools like labview/excel/unity/tableau/etc) , because with it you can create programming languages that have the property that the code written by humans or machines(visual tools) is the same. Hence, whether you write the code by hand or use the visual tool, you'll still have great, clean code. With current EBNF languages or XML/JSON/etc languages the interaction between humans and machines is a mess.

For a decade I've also researched programming languages extensively and have a ton of data on over 10k languages at this point.