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Free courses, roadmaps, cheat sheets, books and docs.
Harvard's introduction to computer science, free to audit online.
Project-based web development curriculum with free certifications.
Free lessons and practice across maths, science and economics.
Visual step-by-step learning paths for developer and data roles.
Authoritative reference for HTML, CSS, JavaScript and browser APIs.
Dense one-page cheat sheets for tools, languages and command lines.
Course materials, lecture notes and problem sets from MIT courses.
Free full-stack curriculum built around building real projects.
Harvard's Python-focused introduction with problem sets and a free certificate audit.
HTML/CSS, Django, JavaScript and SQL taught through real projects.
Search, knowledge, uncertainty and machine learning in twelve weeks.
Full MIT lecture series for the famous intro programming subject.
Andrew Ng's updated ML specialization; every course can be audited free.
Eight-course path from spreadsheets to R; fully auditable without paying.
Python, SQL and capstone projects from IBM; audit available per course.
React-first front-end curriculum by Meta engineers, free to audit.
Research, wireframing and portfolio projects for UX beginners.
Short hands-on micro-courses on Python, ML, SQL and data viz with badges.
Train working neural networks from lesson one; top-down and code-first.
Official free training for Azure, Power BI, Python and AI services.
Free Google Ads, Analytics and Grow certification courses with exams.
Free certified courses in inbound marketing, sales and CRM.
Free SEO and content-marketing courses with certificates.
Mobile-first bite-size coding lessons across a dozen languages.
Structured beginner tutorials and an online compiler for Python, C and Java.
IIT/IISc recorded courses across engineering and sciences, free to study.
India's government MOOC platform with free courses and optional certification.
AI, cloud and digital-skills pathways subsidised for Indian learners.
Complete Excel and Power BI classes free on YouTube, well-paced.
Interactive beginner-to-analytic SQL lessons run in the browser.
A famously complete DSA roadmap of ~450 problems in order.
Open-source study guide for scalable systems design interviews.
Thousands of professional courses free during the trial month.
A rotating shelf of genuinely free full-length courses, no payment needed.
Project-driven route from HTML basics through React and Node.
University of Helsinki's React, Node, GraphQL and TypeScript course.
Practical security thinking: threats, crypto and risk, from Harvard.
Shell, Git, debugging and tooling skills lectures skip over.
Visual explanations of classic algorithms linked to clean implementations.
The free online book that teaches JS deeply, with an in-page sandbox.
The official Rust book, completely free and considered best-in-class.
Interactive browser tour through the entire Go language.
Friendly first web application with Python and Django, start to deploy.
The Modern JavaScript Tutorial - exhaustive, free and translated widely.
Deep single-topic guides like the legendary Complete Guide to Flexbox & Grid.
Community-vetted DevOps learning path with linked free resources.
600+ free AWS digital courses plus cloud quest practice labs.
Interactive basics of many languages; the foundations courses are free.
Practice exercises in 70+ languages with free human mentoring.
Learn SQL in an afternoon with short interactive lessons.
Learn regular expressions step by step with instant practice problems.
Guided lab-style walk through Git fundamentals in ~50 steps.
Math-plus-programming puzzles that build genuine problem-solving muscle.
Andrew Ng's 1-hour courses on Prompt Engineering, LLM Agents, LangChain, and RAG in partnership with OpenAI, Anthropic, and AWS.
Completely free, hands-on PyTorch and TensorFlow course covering Transformers, tokenizers, fine-tuning, and deployment.
Free certified reinforcement learning course from Q-learning to PPO with Gymnasium, PyTorch, and hands-on gaming environments.
World-class video lectures building micrograd, makemore, and GPT-2 from absolute scratch in Python.
World-renowned Stanford university syllabus by Andrew Ng and Tengyu Ma, with full lecture videos, lecture notes, and assignments.
Stanford's premier course covering word vectors, attention mechanisms, modern Transformers, pretraining, and generation.
300-hour verified free certificates in Full Stack Web, Python, Relational Databases, and Scientific Computing.
Interactive screencasts where you can pause the teacher's video and edit code right in the browser.
Free government & corporate digital skills training program with recognized certificates for Indian students and professionals.
Official free Google Cloud learning path covering Large Language Models, Responsible AI, and Attention mechanisms.
David J. Malan's world-famous introduction to computer science, algorithms, C, Python, SQL, and web development.
The definitive curated LeetCode 150 & 250 roadmap with clean video explanations, patterns, and code in Python, Java, C++, and JS.
Complete path to a free self-taught Computer Science degree using top university courses from MIT, Harvard, and Princeton.
The largest open-source course on prompt engineering, embeddings, few-shot prompting, and generative AI basics.
Access thousands of real university courses from MIT, Harvard, Berkeley, and Oxford completely free on the audit track.
Professor Yaser Abu-Mostafa's classic machine learning introductory telecourse with complete free video lectures and homework.
Berkeley's famous Structure and Interpretation of Computer Programs in Python, Scheme, and SQL with open assignments.
Community-vetted, step-by-step visual learning path for AI engineers and data scientists with curated free resources.
Apply for 100% free verified certificates on almost every Coursera course by filling out the financial aid application.