freeCodeCamp
Free, open‑source curriculum that covers HTML, CSS, JavaScript, and full‑stack development. Earn certifications while building projects.
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Interactive beginner courses in Python, JavaScript, Ruby, and more. Paid Pro version unlocks real‑world projects.
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Harvard’s introductory CS course on edX, covering algorithms, data structures, and software engineering fundamentals.
Take CS50The Odin Project
Free full‑stack web development curriculum with Ruby on Rails, JavaScript, and modern tooling.
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Harvard’s CS50x on edX offers a structured path through programming fundamentals in C, Python, and web dev.
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Beginner-friendly lessons on JavaScript, HTML/CSS, and SQL. Visual, hands‑on approach.
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Platform for coding interview practice – data‑structure questions, contests, and mock interview tools.
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