- mocha
simple, flexible, fun test framework
- minimist
parse argument options
- commander
the complete solution for node.js command-line programs
- semver
The semantic version parser used by npm.
- js-yaml
YAML 1.2 parser and serializer
- http
- axios
Promise based HTTP client for the browser and node.js
- bluebird
Full featured Promises/A+ implementation with exceptionally good performance
- body-parser
Node.js body parsing middleware
- Top Vim plugins