On the Shoulders of Giants: Package Registries, Node & NPM (opens in new tab)

You've mastered the command line. You understand your operating system and your development environment. Now it's time to learn how modern developers leverage the work of others: through packages, registries, and package managers. Everything that comes next—Claude Code, Docker, OpenClaw, web applications—builds on the concepts you're about to learn. And at the center of all of it is a simple idea: reusable code, stored in a central place, installed with a single command. This is where we leve...