- moment
Parse, validate, manipulate, and display dates
- js-yaml
YAML 1.2 parser and serializer
- mocha
simple, flexible, fun test framework
- async
Higher-order functions and common patterns for asynchronous code
- ws
Simple to use, blazing fast and thoroughly tested websocket client and server for Node.js
- superagent
elegant & feature rich browser / node HTTP with a fluent API
- node-fetch
A light-weight module that brings window.fetch to node.js
- request
Simplified HTTP request client.
- readable-stream
Streams3, a user-land copy of the stream library from Node.js
- Top Vim plugins