StateCHart VIsualiZation (SCHVIZ)
SCHVIZ is a React Component that accepts SCXML documents as input and generates interactive, hierarchical SVG graph diagrams as output. Pronounced like schvitz, which is Yiddish for "sweat".
You can find an example of its use in a ReactJS application here.
You can find an example of its use in a VanillaJS context here.