ACE (Ajax Code Editor)
Focused and built towards coders, web designers, and web builders, ACE (Ajax Code Editor) can help users get familiar with how the coding is and it's basic structure. This web app is useful for those with the basic knowledge of coding.
This Web App supports the following: JavaScript, Plain Text, SVG, HTML, CSS, SCSS, CoffeeScript, JSON, Lua, Python, Ruby, Perl, PHP, Java, C#, C++, Clojure, OCaml, Markdown, Textile, Groovy, Scala, LaTeX