jashkenas/coffeescript

Babel compiler core.

A Babel preset for each environment.

Basic configuration for the CodeMirror code editor

The Quick and Dirty Literate Programming Documentation Generator

Syntax highlighting with language autodetection.

A parser generator with Bison's API

JavaScript's functional programming helper library.

Packs ECMAScript/CommonJs/AMD modules for the browser. Allows you to split your codebase into multiple bundles, which can be loaded on demand. Supports loaders to preprocess files, i.e. json, jsx, es7, css, less, ... and your custom stuff.