Full featured Promises/A+ implementation with exceptionally good performance

co with bluebird promises

Check whether a value is a generator or generator function

Check if JS harmony generators is supported in environment

Classic, reliable, trusted test framework for Node.js and the browser

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

Static analysis tool for JavaScript

Yet another JS code coverage tool that computes statement, line, function and branch coverage with module loader hooks to transparently add coverage when running tests. Supports all JS coverage use ca

takes json-cov output into stdin and POSTs to coveralls.io