- crypto
- commander
the complete solution for node.js command-line programs
- mime-types
The ultimate javascript content-type utility.
- q
A library for promises (CommonJS/Promises/A,B,D)
- debug
small debugging utility
- fs
- minimatch
a glob matcher in javascript
- semver
The semantic version parser used by npm.
- rimraf
A deep deletion module for node (like `rm -rf`)
- Top plugins for WebStorm