Mesmereyes – classic HN demos, mashed up and remade for multitouch
Ray-traced black holes and atmospheric simulations you can manipulate with your fingers.

Charming one-off visualization, but not a reusable tool for your own data.
Classical music fans, data visualization enthusiasts
Flourish · Observable notebooks · Datawrapper
I've considered adding a search function, but I also kind of like that it requires a bit of exploration in the current form.
Some of the code is a bit clunky and I wouldn't mind refactoring it. I'm also not sure about browser compatibility - I've only got access to a couple of devices to test it on.
Ray-traced black holes and atmospheric simulations you can manipulate with your fingers.
Milkdrop running in the browser via WebGPU is pure nostalgia fuel.
Live solar wind visualization layered over ISS tracking—neat combo nobody asked for.
Yet another AI resume screener in a category HireVue already dominates.
Curated F1 resource list when FastF1 and Jolpica already cover APIs.
Three.js orbital mechanics beats legacy suites, but core math (Hohmann) is 50 years old.