MDN: Learn Web Development
Mozilla's structured curriculum covering HTML, CSS and JavaScript from zero, maintained by the people who document the web platform itself.
12 resources
Mozilla's structured curriculum covering HTML, CSS and JavaScript from zero, maintained by the people who document the web platform itself.
Harvard's legendary intro to computer science: C, Python, SQL, algorithms and web development, free for everyone.
A full open-source curriculum for becoming a web developer: HTML, CSS, JavaScript, Node.js and Ruby paths with real projects throughout.
Thousands of hours of interactive lessons and certification projects covering web development, JavaScript, data analysis and more.
The canonical introduction to Python from the language's own documentation, available in a maintained French translation.
A visual, interactive playground for mastering branches, rebases and remotes — fully translated into French.
Learn CSS flexbox by guiding a frog to its lily pad through 24 short interactive puzzles.
Interactive SQL lessons and exercises that run in the browser — the fastest path from zero to confident SELECTs and JOINs.
The official Docker introduction: images, containers, volumes and multi-container apps with Compose.
Short, hands-on micro-courses on Python, pandas, SQL and machine learning with in-browser notebooks.
A gentle, well-sequenced free course on Linux: the shell, processes, permissions, networking and packages.
Google's official free training for Android: Kotlin, Compose and app architecture, from first app to advanced.