This is a visualizer of data from the at the time of writing current COVID-19 pandemic. This is written in GameMaker intended for Windows and HTML5 export. There is a version compiled to HTML5 available on my site.
Some custom JSON functions were written by YellowAfterLife (Vadim Dyachenko). More details can be found here.
This software is officially under the Unlicense, meaning it is 100% completely public domain.