arrowjs/arrowjscore

Full featured Promises/A+ implementation with exceptionally good performance

Lightweight debugging utility for Node.js and the browser

Fake redis for testing, works as a drop-in replacement for node_redis

fs-extra contains methods that aren't included in the vanilla Node.js fs package. Such as recursive mkdir, copy, and remove.

the most correct and second fastest glob implementation in JavaScript

help secure Express/Connect apps with various HTTP headers

A powerful templating engine with inheritance, asynchronous control, and more (jinja2 inspired)

Simple, unobtrusive authentication for Node.js.

PostgreSQL client - pure javascript & libpq with the same API

A modern, high performance Redis client

Sequelize is a promise-based Node.js ORM tool for Postgres, MySQL, MariaDB, SQLite, Microsoft SQL Server, Amazon Redshift and Snowflake’s Data Cloud. It features solid transaction support, relations, eager and lazy loading, read replication and more.

node.js realtime framework server

Realtime application framework client

A logger for just about everything.

Simplifying the use of mocks with Node.js

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

The JavaScript Task Runner

simple, flexible, fun test framework

JavaScript test spies, stubs and mocks.

Extends Chai with assertions for the Sinon.JS mocking framework.

Flash message middleware for Connect.

Long stack traces for node.js inspired by https://github.com/tlrobinson/long-stack-traces

Local username and password authentication strategy for Passport.

A module for serializing and deserializing JSON data into hstore format