100+ Free College Courses You Can Take Right Now

Imagine sitting in on a real Harvard lecture on Shakespeare, taking an MIT course on quantum computing, or learning business strategy from a Stanford professor — all without paying a cent. This is not a fantasy. Over the past two decades, hundreds of the world's top universities have quietly made thousands of their actual credit-bearing courses available to anyone on the internet, completely free. These are not watered-down introductions. They are the same syllabi, the same lecture videos, the same problem sets that enrolled students complete on campus.

In this article, we've curated more than 100 of the absolute best free college courses currently available, organized by subject so you can jump straight into what interests you. Whether you're exploring a new career path, supplementing your formal education, or simply learning for the joy of it, there has never been a better time to be a self-learner. If you've enjoyed our previous guides to free online learning platforms and getting Coursera certificates for free, this next level guide will show you where to find the actual university content itself.

Why Do Universities Offer Free Courses?

Before we dive into the list, it's worth understanding why elite institutions give away the crown jewels of their curriculum. The motivations are surprisingly diverse:

• Democratization of education. Universities like MIT and Harvard launched their open courseware projects in the early 2000s with a sincere belief that knowledge should not be locked behind tuition paywalls.
• Marketing and recruitment. Offering a free taster of a professor's work often converts free auditors into full degree applicants.
• Public relations. Being seen as a institution that gives back to the global community builds goodwill and brand reputation.
• Faculty prestige. Professors often enjoy seeing their work reach hundreds of thousands of people worldwide, well beyond their physical classroom.
• Grant requirements. Some research grants include mandates that resulting educational materials be made publicly accessible.

The result of all these forces is a staggering library. Let's explore it.

Computer Science — 20 Free Courses

Computer science is the single most represented subject in open courseware, and for good reason — the tech industry has pushed universities to share their materials more aggressively than any other field. Here are 20 standout courses, ranging from absolute beginner to advanced graduate level.

1. Harvard CS50: Introduction to Computer Science — The most popular open course ever taught. David Malan's legendary intro covers C, Python, web development, algorithms, and more. Available free on edX and cs50.harvard.edu.
2. MIT 6.001: Structure and Interpretation of Computer Programs — The classic MIT intro that shaped generations of programmers. Uses Scheme.
3. Stanford CS106A: Programming Methodology — Stanford's Java-based intro, taught by the legendary Mehran Sahami.
4. Stanford CS231n: Convolutional Neural Networks for Visual Recognition — The gold standard for deep learning. Grad-level but accessible to ambitious self-learners.
5. MIT 6.046J: Design and Analysis of Algorithms — Undergraduate algorithms, taught by Erik Demaine, one of the most eccentric and brilliant professors at MIT.
6. Carnegie Mellon 15-112: Principles of Computing — Python-based intro from CMU, one of the top CS programs in the world.
7. UC Berkeley CS61A: Structure and Interpretation of Computer Programs — Berkeley's Python take on SICP.
8. UC Berkeley CS61B: Data Structures — Java-based data structures, often cited as the best course of its kind.
9. Princeton COS 126: Computer Science: An Interdisciplinary Approach — Java-based intro from Princeton, focused on big ideas.
10. Harvard CS229: Machine Learning — Andrew Ng's famous Stanford ML course, previously CS229, now available at scale.
11. MIT 6.01: Introduction to Electrical Engineering and Computer Science — MIT's flagship intro to EECS.
12. Cornell CS 2110: Object-Oriented Programming and Data Structures — Java-based OOP from Cornell.
13. University of Washington CSE 142: Computer Programming I — Solid Python intro from a top public CS program.
14. Georgia Tech CS 6515: Intro to Graduate Algorithms — Graduate-level algorithms, free via Udacity.
15. Oxford CS151: Introduction to Programming — Oxford's Python intro, more theoretical than most.
16. Cambridge Supervision Material for CS — Cambridge releases past exam papers and supervision problems online.
17. Yale CPSC 112: Introduction to Computer Science — Yale's Python-based intro.
18. University of Toronto CSC148: Introduction to Computer Science — Canada's top CS intro course.
19. EPFL CS 101: Introduction to Programming (Java) — Switzerland's leading tech university, English-language content.
20. National University of Singapore CS1010E: Programming Methodology — Asia's top CS program, Python-based.

Business & Economics — 15 Free Courses

Business education has been slower to open up than CS, but the gap is closing. These courses come from Wharton, Stanford GSB, MIT Sloan, and other top programs.

• Wharton BUS 101: Introduction to Business — Wharton's undergrad intro, free on Coursera.
• Stanford GSB: Leading with Empathy — Short but powerful leadership course from Stanford.
• MIT Sloan 15.014: Application of Economic Analysis — Core microeconomics for business.
• Yale ECON 115: Game Theory — Ben Polak's famous game theory course, wildly popular.
• Harvard Economics 1: Principles of Economics — Intro econ from one of the field's leading departments.
• Wharton: Venture Capital and Private Equity — Taught by legendary VC professor David F. Swensen.
• INSEAD: Decision Making — European business school powerhouse, free audit.
• London Business School: Essentials of Entrepreneurship — Short course on launching startups.
• University of Chicago Booth: Behavioral Economics — Richard Thaler's intellectual home. Fascinating.
• Columbia Business School: Value Investing — Real value investing from a Columbia instructor.
• Kellogg: Digital Marketing — Northwestern Kellogg's free marketing course.
• MIT 15.390: New Enterprises — MIT Sloan's flagship entrepreneurship course.
• Berkeley Haas: Introduction to Financial Accounting — Teaches you to read a balance sheet.
• Duke Fuqua: Foundations of Strategy — Core strategic thinking from a top MBA program.
• Oxford Saïd: Understanding Management — Oxford's business school intro.

Science — 15 Free Courses

If you've always wanted to understand Einstein's relativity or learn molecular biology from a Nobel laureate, here's your chance.

• Yale PHYS 200: Physics I — Mechanics from Yale, calculus-based.
• Yale PHYS 201: Physics II — Electromagnetism and waves, continuation.
• MIT 8.01: Physics I (Classical Mechanics) — MIT's famous freshman physics, calculus-based.
• MIT 8.02: Physics II (Electricity and Magnetism) — Second semester physics.
• Harvard Physics 15a: Introduction to Mechanics — Harvard's freshman mechanics.
• UC Berkeley Physics 7A: Physics for Scientists — Rigorous intro physics sequence.
• Princeton PHY 101: General Physics I — Well-taught calculus-based intro.
• Yale CHEM 112: General Chemistry — College-level gen chem.
• MIT 5.111: Principles of Chemical Science — MIT's introductory chemistry.
• Harvard Chemistry 20: Organic Chemistry — The dreaded orgo, free from Harvard.
• Yale BIOL 112: Principles of Biology — Cell biology, genetics, evolution.
• MIT 7.012: Introductory Biology — MIT's comprehensive intro bio.
• Stanford BIO 101: Introduction to Biology — Stanford's take on molecular biology.
• Caltech CS 156: Machine Learning (note: cross-listed) — Caltech's rigorous ML.
• Cornell BIOG 1440: Introductory Biology — Well-produced intro bio from Cornell.

Mathematics — 10 Free Courses

Math is the language of the sciences, and these courses will give you a solid foundation whether you're brushing up or learning from scratch.

1. MIT 18.01: Single Variable Calculus — James Stewart's textbook companion, MIT's classic 18.01.
2. MIT 18.02: Multivariable Calculus — Second semester calculus.
3. MIT 18.03: Differential Equations — Third semester, ODEs.
4. Yale MATH 115: Calculus of One Variable — Yale's single-variable calc.
5. Yale MATH 120: Calculus of Several Variables — Multivariable from Yale.
6. Harvard Math 1a: Introduction to Abstract Mathematics — Proof-based intro.
7. Stanford MATH 51: Linear Algebra and Differential Calculus — Stanford's flagship math course.
8. UC Berkeley MATH 1A: Calculus — Berkeley's single-variable calc.
9. Princeton MAT 103: Calculus, Several Variables — Princeton's multivariable.
10. Oxford Math Department: Undergraduate Course Materials — Oxford releases problem sets and lecture notes for many courses.

Language — 10 Free Courses

These are actual university-level language courses, not Duolingo-style apps. They assume serious study.

• MIT 21F.401: Japanese I — MIT's full first-year Japanese course.
• MIT 21F.402: Japanese II — Second semester Japanese.
• MIT 21F.101: Chinese I (Mandarin) — MIT's Mandarin course.
• MIT 21F.501: Spanish I — Full university Spanish sequence.
• Cambridge Language Centre: Courses — Cambridge releases some self-study materials for various languages.
• University of Oslo: Norwegian on the Web — Free, well-structured Norwegian course from a top university.
• FSI Language Courses (public domain) — U.S. State Dept courses for French, Spanish, German, Italian, Russian, and more. Old but thorough.
• Open University (UK): Language Courses — Free taster courses in French, German, Spanish, Italian, and Welsh.
• University of Michigan: English for Academic Purposes — Free EAP course via Coursera.
• SOAS University of London: Language Materials — Some free resources for less commonly taught languages.

Humanities — 15 Free Courses

Philosophy, history, literature, anthropology — the humanities have some of the most passionate open courseware advocates.

1. Yale PHIL 110: Introduction to Philosophy — Stephen Yablo's famous intro, widely regarded as the best philosophy course online.
2. Yale PHIL 176: Death — Shelly Kagan's legendary course on mortality, filmed in 2007 and still astonishing.
3. Harvard Philosophy 1502: Justice — Michael Sandel's famous justice course, 12 episodes, free on YouTube.
4. Oxford PHIL101: General Philosophy — Oxford's core philosophy course.
5. Yale HIST 115: The Early Middle Ages — Paul Freedman's deep dive into medieval Europe.
6. Yale HIST 116: The High Middle Ages — Continuation.
7. Harvard History 1810: The American Revolution — Top U.S. history course.
8. Cambridge History Faculty: Undergraduate Materials — Lecture outlines and primary sources.
9. Yale ENGL 310: Modern Poetry — Langdon Hammer's poetry course.
10. Harvard Literature and Arts B-51: Shakespeare — Two-semester Shakespeare from Harvard.
11. Oxford English Faculty: Undergraduate Resources — Essay questions and reading lists.
12. MIT 21H.101: A Global History of Architecture — Famous architecture history course.
13. Yale ANTH 200: Introduction to Anthropology — Four-field intro.
14. Princeton REL 101: Introduction to Religion — Comparative religion.
15. University of Chicago: Western Civilization — The legendary "Core" sequence, some materials available.

Writing & Communication — 10 Free Courses

Good writing is the single most transferable skill you can develop. These university courses will make you a better writer.

1. Harvard Writing 100: First-Year Writing — Harvard's legendary freshman writing course, available free via various sources.
2. MIT 21W.789: Communicating in Mathematics — Teaches you to write proofs and mathematical exposition.
3. Stanford English 160: Creative Writing — Stanford's intro fiction workshop materials.
4. Yale ENGL 115: Writing About Literature — Close reading and literary analysis.
5. University of Iowa Writers' Workshop: Lectures — Public lectures from one of the world's top writing programs.
6. Oxford University Press: Free Grammar Resources — In-depth grammar guides written by Oxford faculty.
7. Duke Thompson Writing Program: Writing Studio — Free online writing guides and exercises.
8. MIT 21W.788: Advanced Writing in the Sciences — Scientific paper writing.
9. UC Berkeley: Reading and Writing Efficiently — Study skills course from Berkeley's GSI program.
10. Open University (UK): Writing Courses — Free tasters in creative writing, academic writing, and journalism.

Engineering — 5 Free Courses

Engineering programs have been less open than CS, but these five are exceptional.

• MIT 2.001: Mechanics and Materials — MIT's flagship intro to mechanical engineering.
• MIT 6.002: Circuits and Electronics — Core electrical engineering.
• Stanford ENGR 79: The Engineering of Everyday Things — Stanford's popular engineering survey.
• UC Berkeley ME 106: Introduction to Mechanical Engineering — Berkeley's ME intro.
• Caltech CE/CS/EE 9: Describing Nature with Mathematics — Freshman engineering at Caltech.

How to Access All of These — The Platforms

Now that you have the list, where do you actually go to find these courses? Here are the key platforms, ranked by quality and volume:

• MIT OpenCourseWare (ocw.mit.edu) — The original and still the best. MIT has published essentially every undergraduate and graduate course they teach. All free, no sign-up required. Video lectures, problem sets, exams, solutions.
• Open Yale Courses (oyc.yale.edu) — Yale's public domain courses, about 40 core courses across humanities, sciences, and social sciences. Video and audio.
• Harvard Online Learning (online-learning.harvard.edu) — Aggregates free courses from multiple Harvard schools, including CS50, HBS Online (some free), and the Graduate School of Education.
• Stanford Online (online.stanford.edu) — Mix of free and paid. Look for the "free" filter. CS231n and many others are free.
• edX — Founded by Harvard and MIT. Most courses are free to audit; paid upgrades for certificates. Some of the courses listed here are on edX. See our Coursera financial aid guide for parallel logic on edX.
• Coursera — Free to audit, pay for certificate. Many courses from Stanford, Yale, Princeton, Michigan, Penn, and more.
• YouTube — Thousands of full university courses uploaded by students, professors, and universities themselves. Search "[course number] [university] full course".
• Internet Archive (archive.org) — Thousands of uploaded university lectures, including many no longer available on their original platforms.
• Khan Academy — Not technically a university, but Khan partners with many (MIT, Harvard, Stanford, etc.) and their CS, math, and science content is aligned with university courses.
• University websites directly — Many departments host their own course materials. Start with the department website and look for "courses" or "undergraduate" pages.

Audit vs. Certificate — Do You Need to Pay?

Almost every course we've listed here can be audited completely free. But what does "audit" actually mean, and when might you want to pay?

• Free audit: You get all video lectures, all reading materials, all problem sets, and in many cases the ability to submit and auto-grade your work. What you usually do not get is a certificate of completion, direct instructor feedback, or access to graded assignments that count toward a verified credential.
• Paid certificate: You pay between $30 and $200 to get a verified certificate from the platform and university. Sometimes includes instructor feedback. Useful primarily if you're putting it on a resume or LinkedIn.
• Financial aid: Platforms like Coursera and edX offer substantial financial aid (sometimes 100%) if you can demonstrate need. See our Coursera financial aid walkthrough for step-by-step instructions.

"The difference between a free auditor and a paying certificate holder is often just a piece of paper. The knowledge you gain is identical." — MIT OpenCourseWare FAQ

Our Top 10 Must-Take Picks

If we had to narrow this list down to the ten courses every self-learner should at least sample, these are they:

1. Harvard CS50 — The single best introduction to computer science ever recorded.
2. Yale PHIL 176: Death — Shelly Kagan will change how you think about mortality. Available free on YouTube.
3. Yale PHIL 110: Introduction to Philosophy — The clearest, most engaging philosophy course you'll find.
4. MIT 8.01: Classical Mechanics — Beautifully taught calculus-based physics.
5. Stanford CS231n — Deep learning. The field moved forward because of this course.
6. MIT 6.046J: Algorithms — Erik Demaine's enthusiasm is infectious. You will learn algorithms properly.
7. Harvard Justice — Michael Sandel's course on moral reasoning. Famous for a reason.
8. Wharton BUS 101 — The fastest way to get a Wharton-level business foundation.
9. Yale HIST 115/116: Medieval History — Paul Freedman makes the Middle Ages feel alive.
10. MIT OpenCourseWare: Browse — Actually, just go to ocw.mit.edu and browse. You will find something you love.

Final Thoughts

The greatest library in human history is not at Alexandria. It's not at Oxford's Bodleian or the Library of Congress. It's scattered across the servers of MIT, Yale, Harvard, Stanford, and a hundred other institutions — and every single day, it grows. To take advantage of this, you need only three things: curiosity, a few hours a week, and a browser.

If you want more structure on how to actually learn from free courses (rather than just watch passively), check out our guide to scientific learning methods. And if the cost of certificates has been stopping you, read our Coursera financial aid guide — many of our readers have gotten 100% of their course fees covered. Happy learning.