Learn
Developer skills, made simple.
Free, beginner-friendly guides to the tools every developer uses every day — written in everyday language, with each step shown for both the terminal and VS Code. Pick a track to start.
Learn Git & GitHub
Version control in plain English — repositories, commits, branches, merges and pull requests — plus an interactive branching playground.
26 chapters · interactive playground
- What is Git & GitHub?
- Install & Set Up
- Repositories
- Add & Commit
Learn npm
The Node package manager, made simple — package.json, installing packages, dependencies, running scripts, versioning and publishing your own.
15 chapters
- What is npm?
- Install Node & npm
- package.json Explained
- Installing Packages
Learn Claude Code
The AI coding agent in your terminal — install it, learn the essential commands and Plan Mode, give it project memory, and reuse proven prompt templates.
17 chapters
- What is Claude Code?
- Install & First Run
- VS Code Setup & Day-One Safety
- The Essential Commands
New to the command line? Don’t worry — every chapter shows the terminal command and the VS Code way to do the same thing, so you can follow along however you prefer.