What do you want to learn?
Every topic here is real code you write in your browser and run on the spot. Pick the one you actually want, because the language you enjoy is the one you will still be writing next month.
Start with a language
Each guide explains what the language is for, how we teach it, and where it leads.
Write real JavaScript in your browser, run it, and see what happens. Short lessons, real projects, and an AI tutor that reads your code. Nothing to install.
Read the guideRun real Python in your browser and see the output right away. Short lessons, real projects, and an AI tutor that reads your code. Nothing to install.
Read the guideWrite real queries against a real database in your browser. Short lessons, instant results, and an AI tutor that reads your code. Nothing to install.
Read the guideWrite real HTML and watch the page take shape beside your code. Short lessons, a project you keep, and an AI tutor that can read what you wrote.
Read the guideWrite CSS and watch the page restyle itself beside your code. Short lessons, real projects you keep, and an AI tutor that can read what you wrote.
Read the guideBuild real components in a live preview, graded on what they actually render. Short exercises, real projects, and an AI tutor that reads your code.
Read the guidePrefer to just start?
You don't have to read a guide first. Every course has a live editor, so you can write real code and run it in your browser from the very first lesson.