Prototypal inheritance based on ES5 Object.create and Object.defineProperty for node.js and modern browsers

the complete solution for node.js command-line programs

JSON-RPC 2.0 server and client library, with HTTP, TCP and Websocket endpoints

Lightweight debugging utility for Node.js and the browser

Full featured Promises/A+ implementation with exceptionally good performance

RFC9562 UUIDs

EventEmitter3 focuses on performance while maintaining a Node.js AND browser compatible interface.

Forget Function.bind and func.apply(context, arguments), performance matters! For a better curry!

simple, flexible, fun test framework

Static analysis tool for JavaScript

BDD style assertions for node and the browser.

JavaScript test spies, stubs and mocks.

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

LCOV reporter for Mocha