Relation between CommonJS, AMD and RequireJS?

I’m still very confused about CommonJS, AMD and RequireJS, even after reading a lot. I know that CommonJS (formerly ServerJS) is a group for defining some JavaScript specifications (i.e. modules) when the language is used outside the browser. CommonJS modules specification has some implementation like Node.js or RingoJS, right? What’s the relation between CommonJS, Asynchronous … Read more