Free and University Courses
University lectures, nonprofit tutorials, and open courseware you can work through without paying tuition, some with an optional paid certificate at the end. Quality varies less than you'd expect between a free option and a paid one covering the same topic, since several of these are simply the free tier of a platform that also sells credentials.
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Free language learning in 30+ languages with bite-sized lessons and gamified progression
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Large MOOC platform partnering with top universities offering free audit access to courses plus paid certificates and degrees.
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Free-to-audit MOOC platform founded by Harvard and MIT hosting thousands of university courses with optional paid certificates.
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A nonprofit built by Sal Khan since 2008, offering a complete free curriculum from early math through high school science, humanities, and standardized test prep, entirely free with no ads or paywall. It's built primarily for K-12 students and self-learners, not adult professional skills.
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Free coding curriculum for K-12 and beyond with structured progression from block-based coding to advanced programming.
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A nonprofit coding curriculum founded by Quincy Larson in 2014, covering web development, data analysis, machine learning, and more through free interactive lessons and project-based certifications. It's funded by donations rather than ads, with no premium tier gating any part of the curriculum.
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Interactive platform with free intro courses in 12+ languages and optional paid career tracks.
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Largest open educational resource platform offering free, peer-reviewed textbooks across science, math, engineering, and humanities.
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Free micro-courses in data science, machine learning, and AI with hands-on coding exercises using real datasets.
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Nonprofit providing free, peer-reviewed, openly-licensed textbooks for high-enrollment college courses.
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Over 600 free courses on AWS services, certification prep, and hands-on labs using real AWS resources
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Interactive problem-solving platform teaching math, programming, data science, and physics with a free tier.
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A search engine and directory for free and paid online courses across every major provider, Coursera, edX, Udemy, and hundreds more, built by Dhawal Shah since 2011. It doesn't host courses itself; it aggregates and reviews them, making it a useful first stop before committing to a specific platform.
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Tech education platform with 200+ free individual courses and paid nanodegree credentials.
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UK-based social learning platform offering free short courses from universities with optional paid certificate upgrades.
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Language learning using spaced repetition with videos from native speakers and a free tier
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Interactive cybersecurity training with labs covering hacking, defense, and real-world security skills
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Mobile-first gamified coding platform with 25+ courses and 35+ million learners worldwide.
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Free online learning platform offering thousands of short courses in workplace skills, technology, and personal development.
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Free coding practice supporting 83 languages with optional mentorship from experienced programmers.
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Interactive video platform teaching web development with pausable lessons and live code editor.
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Accredited tuition-free online university offering degree programs funded through small application and exam fees.
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Over 60 free MOOC courses from European universities in multiple languages covering diverse subjects
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A nonprofit offering free, self-paced college-level courses with optional low-cost certificates, some of which have been evaluated for actual college credit recommendation by the American Council on Education. Courses run in general education subjects, business, and computer science rather than niche professional skills.
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MIT's free archive of actual course materials, lecture notes, problem sets, and in many cases full video lectures, from thousands of its undergraduate and graduate courses, running since 2001. There's no certificate, credential, or instructor interaction, just the raw material a real MIT student would use.
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Harvard's introductory computer science course, taught by David Malan, made freely available online with full lectures, problem sets, and an active online community, alongside a paid version through edX for those who want a certificate. It's widely regarded as one of the more rigorous free introductions to programming available anywhere.
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Peer-reviewed collection of free online courses and learning materials handpicked and maintained by California State University.
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Free digital library of openly licensed courses and educational materials contributed by educators and institutions worldwide.
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Free MOOC platform powered by Instructure offering university and organizational courses globally with free certificates.
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Interactive hands-on tutorials from Google engineers covering web, mobile, and cloud development with working code examples.
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Free digital marketing and business skills courses from Google with certificates, covering 26 comprehensive modules.
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Free training on Azure, cloud, AI, and Microsoft technologies with guided paths and hands-on labs
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Educational video platform with animated lessons and interactive questions on K-12 curriculum topics.
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Complete free full-stack web development curriculum covering HTML, CSS, JavaScript, and frameworks
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Free training and certifications in Google Ads, Analytics, and other Google marketing tools
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Free cybersecurity fundamentals covering networking, system administration, and security core concepts
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Game-based platform teaching Python and JavaScript through interactive puzzle-solving adventures.
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Free computer science and IT courses from Germany's Hasso Plattner Institute with peer learning
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Stanford University's hub for free and open online courses including self-paced offerings across engineering and computer science.
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550+ free academic and professional courses from French universities, mostly in French
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Spanish and Portuguese courses from 100+ universities across Spain, Portugal, and Latin America
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Brazilian platform with free university courses from USP, Unicamp, and Unesp.
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440+ free courses from 33 Italian and European universities supported by the Italian government
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Yale University's free recorded introductory lecture courses taught by faculty with no registration requirement or credit.
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The free learning arm of the UK's Open University, offering short courses across humanities, science, health, and business, some of which count toward badges recognized by the university's own paid programs. It's aimed at adult learners returning to study or testing a subject before committing to a full Open University degree.
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Government of India platform hosting free online courses from top Indian universities spanning school to postgraduate levels.