How I Built a Free Code Editor. Then I Open Sourced It.

Six months ago, I had a simple idea. Build a code editor that runs in the browser. No downloads, no setup, no complexity. Just open a tab and start writing HTML, CSS, and JavaScript.

I didn't plan to open source it. I built it for myself first — a place to experiment without installing VS Code extensions or configuring Node.js. Then I showed it to a friend who was learning to code. She loved it. That's when I realized it could help more people.

So I kept building. And building. And building.

Today, Deoit is fully open source. Here's why I made that decision, what it means, and what I learned along the way.

What Deoit Actually Is