systemjs/builder

Full featured Promises/A+ implementation with exceptionally good performance

the most correct and second fastest glob implementation in JavaScript

Recursively mkdir, like `mkdir -p`

Generates and consumes source maps

JavaScript parser, mangler/compressor and beautifier toolkit for ES6+

BDD/TDD assertion library for node.js and the browser. Test framework agnostic.

simple, flexible, fun test framework

Run mocha browser tests in phantomjs via the command line

Headless WebKit with JS API

TypeScript is a language for application scale JavaScript development

Wraps AMD scripts into System.registerDynamic(...

Wraps CommonJS scripts into System.registerDynamic(...

Converts global scripts into named System.registerDynamic('name', [], ...

Converts anonymous System.register([] into named System.register('name', [], ...

Create an ArrayBuffer instance from a Data URI string

Compile and resolve template strings notation as specified in ES6

Dynamic ES module loader

ES6 to ES5 compiler

A lightweight Promises/A+ and when() implementation, plus other async goodies.