- mocha
simple, flexible, fun test framework
- commander
the complete solution for node.js command-line programs
- minimatch
a glob matcher in javascript
- yargs
yargs the modern, pirate-themed, successor to optimist.
- semver
The semantic version parser used by npm.
- chalk
Terminal string styling done right
- bluebird
Full featured Promises/A+ implementation with exceptionally good performance
- ws
Simple to use, blazing fast and thoroughly tested websocket client and server for Node.js
- async
Higher-order functions and common patterns for asynchronous code
- CodeWhisperer alternatives