Brackets: A Code Editor, written in HTML, CSS & JS

Brackets is a code editor for web designers and front-end developers written in JavaScript, HTML and CSS.

It’s open source project led by Adobe. The Interesting feature, Brackets is in sync with your browser. With Live Preview, Brackets works directly with your browser to push code edits instantly and jump back and forth between your real source code and the browser view.

Brackets is cross-platform, you can use it on Windows, Linux, and Mac OS. for detail feature, you can see video below