A few months ago I got tired of every calorie tracker either paywalling basic features or demanding I create an account just to log a banana. So I built Nawtch — a free fitness tracker that runs entirely in your browser, stores everything locally via IndexedDB, and never asks you to sign up. Here's the messy, honest version of how it actually came together. It didn't start as "Nawtch" The app was originally called Foop. I got pretty far into building it before doing a basic search and r...