- mocha
simple, flexible, fun test framework
- rimraf
A deep deletion module for node (like `rm -rf`)
- bluebird
Full featured Promises/A+ implementation with exceptionally good performance
- fs
- cheerio
Tiny, fast, and elegant implementation of core jQuery designed specifically for the server
- axios
Promise based HTTP client for the browser and node.js
- readable-stream
Streams3, a user-land copy of the stream library from Node.js
- debug
small debugging utility
- body-parser
Node.js body parsing middleware
- Top PhpStorm plugins