Show HN: Atomic – A to-do app inspired by GitHub squares and Atomic Habits

Atomic is a super simple to-do app I built last year, mainly for fun.

It's inspired by GitHub’s green contribution squares and the ideas from James Clear’s Atomic Habits. Each completed task turns the calendar entry of the day greener, making consistency visible and oddly satisfying.

It’s not a serious productivity tool — just a vibe-coded experiment to gamify streaks and daily wins. Now there's a .exe available if you want to try it out.