Day and night, the last 24 hours of earthquakes and the ISS, live on a dotted world map.

Your sky right now: stars, planets, the Moon and satellites passing overhead.

How websites recognise your browser without cookies, turned into a sigil that is yours.

Solver and simulator for Mastermind where only right-place pegs are given.

A tool to split expenses (Ephemeral). No data is saved.

Stock and crypto price charts using Twelve Data.

Classic snake game built with Vanilla JS.

Your IP address and what every website can see about you, on a zooming world map.

Interactive cellular automaton simulation. High-performance logic fluids.

Financial analysis tool using SEC filings.