duralog

AliveScript. LiveScript is a language which compiles to JavaScript. It has a straightforward mapping to JavaScript and allows you to write expressive code devoid of repetitive boilerplate. While LiveScript adds many features to assist in functional style programming, it also has many improvements for object oriented and imperative programming.

node-sencillo. easy to use node bindings to git (using libgit2)

CodeMirror. In-browser code editor