Snyk : Snyk helps you use open source and stay secure.
Continuously find & fix vulnerabilities in your dependencies.
Lerna : A tool for managing JavaScript projects with multiple packages.
aptly : aptly is a swiss army knife for Debian repository management: it allows you to mirror remote repositories, manage local package repositories, take sna...
Babel : Babel will turn your ES6+ code into ES5 friendly code, so you can start using it right now without waiting for browser support.
Online javascript beautifier : Beautify, unpack or deobfuscate JavaScript and HTML, make JSON/JSONP readable, etc.
Fast, reliable, and secure dependency management tool for javascript.