BeginnerDocumentationEnglish & French▲ 42 votes
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.
Browse resources
20 resources
BeginnerInteractiveEnglish & French▲ 35 votes
freeCodeCamp Curriculum
Thousands of hours of interactive lessons and certification projects covering web development, JavaScript, data analysis and more.
IntermediateBookEnglish & French▲ 33 votes
The Modern JavaScript Tutorial
From fundamentals to advanced topics like closures, prototypes and the event loop — the reference free JavaScript book, kept current.
BeginnerDocumentationEnglish & French▲ 30 votes
The Official Python Tutorial
The canonical introduction to Python from the language's own documentation, available in a maintained French translation.
BeginnerToolEnglish▲ 29 votes
Developer Roadmaps
Community-maintained visual roadmaps for frontend, backend, DevOps and 20+ other paths, with linked resources per step.
IntermediateDocumentationEnglish & French▲ 28 votes
React: The Official Tutorial
The official interactive introduction to React: components, state, effects and thinking in React, with editable examples.
IntermediateInteractiveEnglish▲ 27 votes
PortSwigger Web Security Academy
Free, hands-on labs covering the whole of web security — XSS, SQL injection, auth flaws — from the makers of Burp Suite.
IntermediateBookEnglish▲ 26 votes
The Rust Programming Language (The Book)
The official Rust book: ownership, borrowing, traits and fearless concurrency, free online with runnable examples.
IntermediateBookEnglish & French▲ 25 votes
Pro Git (2nd Edition)
The complete Git reference book, free online, with a maintained French translation — from first commit to plumbing internals.
IntermediateInteractiveEnglish▲ 24 votes
Exercism
Practice 70+ programming languages with small exercises and free human mentoring from volunteers.
AdvancedInteractiveEnglish & French▲ 23 votes
Root Me: Hacking & Security Challenges (French)
500+ security challenges with strong French-language coverage: web, crypto, forensics, networking. A francophone security-training reference.
IntermediateDocumentationEnglish▲ 22 votes
The TypeScript Handbook
The official guide to TypeScript's type system, from everyday types to generics and declaration files.
BeginnerInteractiveEnglish & French▲ 22 votes
Learn Git Branching
A visual, interactive playground for mastering branches, rebases and remotes — fully translated into French.
BeginnerInteractiveEnglish & French▲ 21 votes
Flexbox Froggy
Learn CSS flexbox by guiding a frog to its lily pad through 24 short interactive puzzles.
BeginnerInteractiveEnglish▲ 20 votes
SQLBolt
Interactive SQL lessons and exercises that run in the browser — the fastest path from zero to confident SELECTs and JOINs.
BeginnerDocumentationEnglish▲ 18 votes
Docker: Get Started
The official Docker introduction: images, containers, volumes and multi-container apps with Compose.
IntermediateDocumentationEnglish▲ 16 votes
OWASP Cheat Sheet Series
Concise, actionable secure-coding guidance for dozens of topics, maintained by the OWASP community.
AdvancedArticleEnglish▲ 13 votes
Teach Yourself Computer Science
An opinionated map of the nine CS subjects that matter and the single best free resource for each.
BeginnerArticleEnglish & French▲ 12 votes
Open Source Guides
GitHub's guides on contributing to and maintaining open source projects, available in French.
IntermediateInteractiveEnglish▲ 9 votes
SwiftUI Tutorials
Apple's official interactive SwiftUI tutorials: build real iOS interfaces step by step in Xcode.