Brian SwetlandThe graphs generated by iongraph (a Mozilla tool for SpiderMonkey) are a lot nicer than just trying to wrangle reasonable outputs from graphviz:
https://github.com/mozilla-spidermonkey/iongraph
Nice writeup about the layout algorithm here:
https://spidermonkey.dev/blog/2025/10/28/iongraph-web.html
Strong temptation to build some custom graph generation tooling for my own language hackery. Looking at lightweight PDF generation libraries.
