I'm working on it! Essentially a 2d vector drawing program with spreadsheet like reactivity. Completely inspired by http://worrydream.com/DrawingDynamicVisualizationsTalkAddend..., though I'm taking a different approach.

Should be good for bespoke data visualizations and interactive simulations.

Lil toy animations I made a while back messing with the core engine:

https://imgur.com/a/ELhwWo5

https://imgur.com/a/3ww4ql1