ATOM

ATOM code editor is a simple to use code editor with compiler for web codes written in HTML, CSS and JavaScript. It also supports:
Quick editing
File editor from storage
Rich text
Clean UI
And lots more
ATOM has had much focus put into its user experience, so it is an easy to use, fast, responsive and very reliable compiler. Despite its large array of features, it is made as intuitive as possible, so you can develop as productively as possible and focus on the source code.
ATOM currently supports coding in the following programming languages: ActionScript, C, C , C#, CSS, Haskell, HTML, Java, JavaScript, Lisp, Lua, Markdown, Objective-C, Perl, PHP, Python, Ruby, SQL, Visual Basic and XML. All programming language is supported
If you want to code productively away from your PC, Atom for Android is a must have, allowing you to carry a text editor and IDE in your pocket to code when on the move!