- mocha
simple, flexible, fun test framework
- fs
- yargs
yargs the modern, pirate-themed, successor to optimist.
- readable-stream
Streams3, a user-land copy of the stream library from Node.js
- postcss
- cheerio
Tiny, fast, and elegant implementation of core jQuery designed specifically for the server
- glob
a little globber
- semver
The semantic version parser used by npm.
- ms
Tiny millisecond conversion utility
- Github Copilot alternatives