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9 resources

BeginnerCourseEnglish▲ 40 votes

Harvard's legendary intro to computer science: C, Python, SQL, algorithms and web development, free for everyone.

Computer Science Algorithms PythonFree with limits: Optional paid certificate; all content free

BeginnerCourseEnglish▲ 38 votes

A full open-source curriculum for becoming a web developer: HTML, CSS, JavaScript, Node.js and Ruby paths with real projects throughout.

IntermediateBookEnglish & French▲ 33 votes

From fundamentals to advanced topics like closures, prototypes and the event loop — the reference free JavaScript book, kept current.

IntermediateBookEnglish▲ 26 votes

The official Rust book: ownership, borrowing, traits and fearless concurrency, free online with runnable examples.

IntermediateBookEnglish & French▲ 25 votes

The complete Git reference book, free online, with a maintained French translation — from first commit to plumbing internals.

IntermediateCourseEnglish▲ 19 votes

Google's course collection on modern web development: CSS, accessibility, performance, forms and PWA, written by platform experts.

BeginnerCourseEnglish▲ 17 votes

Short, hands-on micro-courses on Python, pandas, SQL and machine learning with in-browser notebooks.

Data & Data Science Python Machine Learning SQLFree with limits: Requires a free Kaggle account

BeginnerCourseEnglish▲ 14 votes

A gentle, well-sequenced free course on Linux: the shell, processes, permissions, networking and packages.

BeginnerCourseEnglish▲ 11 votes

Google's official free training for Android: Kotlin, Compose and app architecture, from first app to advanced.