- mocha
simple, flexible, fun test framework
- colors
get colors in your node.js console
- js-yaml
YAML 1.2 parser and serializer
- winston
A logger for just about everything.
- request
Simplified HTTP request client.
- mongodb
The official MongoDB driver for Node.js
- async
Higher-order functions and common patterns for asynchronous code
- crypto
- bluebird
Full featured Promises/A+ implementation with exceptionally good performance
- Top Vim plugins