Here are the 250 most popular online courses of all time, in order of popularity:

• CS50’s Introduction to Computer Science from Harvard University ★★★★★(193)
• Introduction to Python ★★★★☆(16)
• The Science of Well-Being from Yale University ★★★★★(30)
• Learning How to Learn: Powerful mental tools to help you master tough subjects from Deep Teaching Solutions ★★★★★(26642)
• Programming for Everybody (Getting Started with Python) from University of Michigan ★★★★★(46095)
• Foundations: Data, Data, Everywhere from Google ★★★★★(4)
• Introduction to R ★★★★☆(8)
• English for Career Development from University of Pennsylvania ★★★★★(22)
• Foundations of Project Management from Google ★★★★☆(1)
• Financial Markets from Yale University ★★★★☆(34)
• The Complete Python Bootcamp From Zero to Hero in Python
• Technical Support Fundamentals from Google ★★★☆☆(9)
• Introduction to Computer Science and Programming Using Python from Massachusetts Institute of Technology ★★★★☆(131)
• AI For Everyone from DeepLearning.AI ★★★★★(6)
• Google Data Analytics from Google ★★★★★(2)
• IELTS Academic Test Preparation from University of Queensland ★★★★★(6)
• First Step Korean from Yonsei University ★★★★★(122)
• Successful Negotiation: Essential Strategies and Skills from University of Michigan ★★★★★(219)
• Microsoft Excel – Excel from Beginner to Advanced ★★★★☆(1)
• TOEFL iBT Test Preparation: The Insider’s Guide from ETS ★★★★★(7)
• CS50’s Web Programming with Python and JavaScript from Harvard University ★★★★★(33)
• 100 Days of Code: The Complete Python Pro Bootcamp ★★★★☆(1)
• Python for Everybody from University of Michigan ★★★★★(418)
• Introduction to Psychology from Yale University ★★★★★(19)
• Foundations of User Experience (UX) Design from Google
• The Complete Full-Stack Web Development Bootcamp ★★★★★(1)
• COVID-19 Contact Tracing from Johns Hopkins University ★★★★★(16)
• Neural Networks and Deep Learning from DeepLearning.AI ★★★★★(16)
• Chinese for Beginners from Peking University ★★★★☆(61)
• Algorithms, Part I from Princeton University ★★★★☆(62)
• CS50’s Introduction to Artificial Intelligence with Python from Harvard University ★★★★★(25)
• CS50’s Introduction to Programming with Python from Harvard University ★★★★★(11)
• Foundations of Digital Marketing and E-commerce from Google
• Ask Questions to Make Data-Driven Decisions from Google ★★☆☆☆(3)
• Crash Course on Python from Google ★★★★★(2)
• Google Project Management: from Google ★★★★☆(2)
• Intermediate Python
• DemoX
• HTML, CSS, and Javascript for Web Developers from Johns Hopkins University ★★★★★(23)
• Automate the Boring Stuff with Python Programming
• Foundations of Cybersecurity from Google ★★★★☆(1)
• Python for Data Science, AI & Development from IBM ★★☆☆☆(3)
• Machine Learning A-Z: AI, Python & R + ChatGPT Prize [2025]
• [NEW] Ultimate AWS Certified Cloud Practitioner CLF-C02 2025
• What is Data Science? from IBM ★★★★☆(4)
• Python Data Structures from University of Michigan ★★★★★(17343)
• Ultimate AWS Certified Solutions Architect Associate 2025
• Introduction to SQL ★★★★★(1)
• Google AI Essentials from Google
• Write Professional Emails in English from Georgia Institute of Technology ★★★★☆(5)
• Getting Started with Microsoft Excel from Coursera Project Network
• Excel Skills for Business: Essentials from Macquarie University ★★★★☆(7)
• Stanford Introduction to Food and Health from Stanford University ★★★★☆(47)
• The Complete JavaScript Course 2025: From Zero to Expert!
• React – The Complete Guide 2025 (incl. Next.js, Redux)
• Speak English Professionally: In Person, Online & On the Phone from Georgia Institute of Technology ★★★★★(5)
• The Web Developer Bootcamp 2025
• Data Science: R Basics from Harvard University ★★★★★(12)
• Basic English 1: Elementary from King’s College London ★★★★☆(8)
• Prepare Data for Exploration from Google
• The Complete SQL Bootcamp: Go from Zero to Hero
• Java Masterclass 2025: 130+ Hours of Expert Lessons
• Supervised Machine Learning: Regression and Classification from DeepLearning.AI
• Introduction to Linux from Linux Foundation ★★★★☆(38)
• The Bits and Bytes of Computer Networking from Google ★★★★★(4)
• Project Initiation: Starting a Successful Project from Google
• Entrepreneurship in Emerging Economies from Harvard University ★★★★★(12)
• Google UX Design from Google
• Python Basics for Data Science from IBM ★★★☆☆(5)
• Fundamentals of Graphic Design from California Institute of the Arts ★★★★☆(22)
• Introduction to Data Science in Python from University of Michigan ★★☆☆☆(46)
• English Grammar and Style from University of Queensland ★★★★☆(32)
• Bitcoin and Cryptocurrency Technologies from Princeton University ★★★★★(19)
• Rhetoric: The Art of Persuasive Writing and Public Speaking from Harvard University ★★★★★(5)
• The Complete Digital Marketing Course – 12 Courses in 1 ★★★★★(1)
• Angular – The Complete Guide (2025 Edition)
• Deep Learning from DeepLearning.AI
• Exploring English: Language and Culture from British Council ★★★★★(851)
• Google Cloud Fundamentals: Core Infrastructure from Google Cloud ★★★★☆(8)
• Process Data from Dirty to Clean from Google
• Grammar and Punctuation from University of California, Irvine ★★★★☆(32)
• Python for Data Science and Machine Learning Bootcamp
• The Data Scientist’s Toolbox from Johns Hopkins University ★★★☆☆(166)
• The Data Science Course: Complete Data Science Bootcamp 2025
• R Programming from Johns Hopkins University ★★★☆☆(245)
• Introduction to Generative AI from Google Cloud ★★★★☆(4)
• Understanding Data Science ★★★★★(2)
• Introduction to Philosophy from University of Edinburgh ★★★★☆(73)
• Using Python to Access Web Data from University of Michigan ★★★★★(5916)
• Exercising Leadership: Foundational Principles from Harvard University ★★★★★(24)
• Introduction to Data Analytics from IBM
• Social Psychology from Wesleyan University ★★★★★(88)
• Étudier en France: French Intermediate course B1-B2 from École Polytechnique ★★★★★(4)
• Small Business Marketing Using YouTube from Coursera Project Network
• Analyze Data to Answer Questions from Google
• Data Analysis with R Programming from Google ★★★★☆(2)
• Introduction to Negotiation: A Strategic Playbook for Becoming a Principled and Persuasive Negotiator from Yale University ★★★★★(11)
• SQL for Data Science from University of California, Davis ★★★★☆(5)
• The Strategy of Content Marketing from University of California, Davis ★★★★☆(8)
• Data Science: Machine Learning from Harvard University ★★★★☆(3)
• Intermediate R
• Learn Ethical Hacking From Scratch 2024 ★★★★★(1)
• Microsoft Power BI Desktop for Business Intelligence ★★★★☆(1)
• Basic Spanish 1: Getting Started from Universitat Politècnica de València ★★★★★(434)
• Share Data Through the Art of Visualization from Google
• Fundamentals of Neuroscience, Part 1: The Electrical Properties of the Neuron from Harvard University ★★★★★(22)
• Indigenous Canada from University of Alberta ★★★★☆(9)
• Contract Law: From Trust to Promise to Contract from Harvard University ★★★★☆(16)
• Google IT Automation with Python from Google ★★★★★(1)
• Justice from Harvard University ★★★★★(58)
• The Science of Happiness from University of California, Berkeley ★★★★★(35)
• Ultimate AWS Certified Developer Associate 2025 DVA-C02
• Agile Project Management from Google ★★★★★(1)
• Improve Your English Communication Skills from Georgia Institute of Technology ★★★★★(1)
• Improving Deep Neural Networks: Hyperparameter Tuning, Regularization and Optimization from DeepLearning.AI ★★★★★(3)
• Programming Foundations with JavaScript, HTML and CSS from Duke University ★★★★☆(14)
• The Architectural Imagination from Harvard University ★★★★☆(15)
• Programming for Everybody (Getting Started with Python) from University of Michigan ★★★★★(15)
• Introduction to HTML5 from University of Michigan ★★★★☆(52)
• Contabilidad para no contadores from Universidad Nacional Autónoma de México
• The Complete Python Programming Course: Beginner to Advanced
• Marketing in a Digital World from University of Illinois at Urbana-Champaign ★★★★★(630)
• Psychological First Aid from Johns Hopkins University ★★★★☆(51)
• Finanzas personales from Universidad Nacional Autónoma de México
• Operating Systems and You: Becoming a Power User from Google ★★★☆☆(4)
• Start the UX Design Process: Empathize, Define, and Ideate from Google
• Introductory Human Physiology from Duke University ★★★★★(28)
• Google Data Analytics Capstone: Complete a Case Study from Google
• Primeros Auxilios Psicológicos (PAP) from Universitat Autònoma de Barcelona (Autonomous University of Barcelona) ★★★★★(1)
• Project Planning: Putting It All Together from Google
• Game Theory from Stanford University ★★★★☆(35)
• Writing in the Sciences from Stanford University ★★★★★(14)
• Introduction to Statistics from Stanford University ★★★★★(2)
• Introduction to Social Media Marketing from Meta ★★★★★(1)
• Algorithmic Toolbox from University of California, San Diego ★★★★☆(23)
• Java Programming for Complete Beginners
• Convolutional Neural Networks from DeepLearning.AI ★★★★★(8)
• Databases and SQL for Data Science with Python from IBM ★★☆☆☆(1)
• Introduction to Mathematical Thinking from Stanford University ★★★★☆(51)
• The Ultimate Drawing Course – Beginner to Advanced
• Introduction to Artificial Intelligence (AI) from IBM ★★★★★(2)
• Python : Master Programming and Development with 15 Projects
• Cryptography I from Stanford University ★★★★★(53)
• Work Smarter, Not Harder: Time Management for Personal & Professional Productivity from University of California, Irvine ★★★★☆(43)
• Tools for Data Science from IBM ★☆☆☆☆(3)
• Adobe Photoshop Masterclass with Photoshop 2025 + AI Updates
• Learn to Speak Korean 1 from Yonsei University ★★★★★(12)
• Google IT Support from Google ★★★★★(3)
• Machine Learning with Python from IBM ★★★★☆(4)
• Introduction to Project Management from University of Adelaide ★★★★☆(6)
• Data Analysis with Python from IBM ★★★★☆(2)
• Generative AI for Everyone from DeepLearning.AI ★★★★★(1)
• AZ-900: Microsoft Azure Fundamentals Exam Prep – SEP 2024
• Using Databases with Python from University of Michigan ★★★★★(4885)
• Child Nutrition and Cooking from Stanford University ★★★★☆(31)
• Data Science Math Skills from Duke University ★★★★☆(12)
• Learn to Program: The Fundamentals from University of Toronto ★★★★★(110)
• Business Analysis & Process Management from Coursera Project Network
• Business Analytics with Excel: Elementary to Advanced from Johns Hopkins University ★★★★★(1)
• Introduction to Psychology from University of Toronto ★★★★★(29)
• Introduction to Programming with MATLAB from Vanderbilt University ★★★★★(205)
• Adobe Premiere Pro Masterclass: Video Editing in Premiere ★★★★☆(4)
• System Administration and IT Infrastructure Services from Google ★★★★☆(2)
• An Entire MBA in 1 Course:Award Winning Business School Prof
• Introduction to Power BI ★★★★★(4)
• Excel Skills for Business from Macquarie University
• Web Development Masterclass – Online Certification Course
• Structuring Machine Learning Projects from DeepLearning.AI ★★★★☆(6)
• A Life of Happiness and Fulfillment from Indian School of Business ★★★★★(502)
• Statistics and R from Harvard University ★★★★☆(20)
• The Ultimate MySQL Bootcamp: Go from SQL Beginner to Expert
• Introduction to User Experience Design from Georgia Institute of Technology ★★★☆☆(3)
• Mindshift: Break Through Obstacles to Learning and Discover Your Hidden Potential from McMaster University ★★★★★(8016)
• Data Science from Johns Hopkins University ★★★★★(9)
• Python Basics from University of Michigan ★★★★★(2)
• Initiating and Planning Projects from University of California, Irvine ★★★★☆(19)
• Complete C# Unity Game Developer 2D
• Play It Safe: Manage Security Risks from Google
• Introduction to Data Science in Python
• Brand Management: Aligning Business, Brand and Behaviour from London Business School ★★★★★(2)
• The Complete Financial Analyst Course 2025
• Introduction to Cybersecurity Tools & Cyberattacks from IBM ★★★☆☆(2)
• Modern Art & Ideas from The Museum of Modern Art ★★★★★(5)
• Cybersecurity for Everyone from University of Maryland, College Park ★★★★★(1)
• Basic English 2: Pre-Intermediate from King’s College London ★★★★☆(8)
• Project Execution: Running the Project from Google ★★★★★(1)
• English Composition I from Duke University ★★★☆☆(19)
• Design Thinking for Innovation from University of Virginia ★★★★★(5)
• IT Security: Defense against the digital dark arts from Google ★★★★☆(3)
• Zero to Hero in Microsoft Excel: Complete Excel guide 2025
• Excel: Fundamentos y herramientas from Universitat Politècnica de València ★★★★★(617)
• Computer Science: Programming with a Purpose from Princeton University ★★★★★(1)
• Build Responsive Real-World Websites with HTML and CSS
• English for Common Interactions in the Workplace: Basic Level from Pontificia Universidad Católica de Chile ★★★★☆(3)
• Data Manipulation with pandas
• Introduction to Functions in Python
• Creative Thinking: Techniques and Tools for Success from Imperial College London ★★★★★(15)
• Sequence Models from DeepLearning.AI ★★★★★(4)
• Learn Python Programming Masterclass
• Excel Basics for Data Analysis from IBM
• Code Yourself! An Introduction to Programming from University of Edinburgh ★★★★☆(11)
• The Complete Front-End Web Development Course
• Project Management: The Basics for Success from University of California, Irvine ★★★★★(26)
• Zero to Hero in SQL: SQL for Data Analytics
• Introduction to Front-End Development from Meta ★★★★★(7)
• [NEW] Spring Boot 3, Spring 6 & Hibernate for Beginners
• Introduction to Marketing from University of Pennsylvania ★★★★☆(71)
• Stock Market Investing for Beginners
• Selenium WebDriver with Java -Basics to Advanced+Frameworks
• HTML5 and CSS Fundamentals from World Wide Web Consortium (W3C) ★★★★☆(6)
• Microsoft Excel: Advanced Excel Formulas & Functions
• Vital Signs: Understanding What the Body Is Telling Us from University of Pennsylvania ★★★★★(51)
• Mathematics for Machine Learning: Linear Algebra from Imperial College London ★★★☆☆(9)
• Lesson | Small Talk & Conversational Vocabulary from Georgia Institute of Technology ★★★★★(1)
• Pianoforall – Incredible New Way To Learn Piano & Keyboard
• Google Digital Marketing & E-commerce from Google ★★★★★(1)
• Seeing Through Photographs from The Museum of Modern Art ★★★★☆(5)
• Prompt Engineering for ChatGPT from Vanderbilt University ★★★★★(2)
• PMP Certification Exam Prep Course 35 PDU Contact Hours/PDU
• Kubernetes for the Absolute Beginners – Hands-on
• Tableau A-Z: Hands-On Tableau Training for Data Science
• Academic and Business Writing from University of California, Berkeley ★★★★☆(18)
• iOS & Swift – The Complete iOS App Development Bootcamp
• Machine Learning Foundations: A Case Study Approach from University of Washington ★★★★☆(40)
• Start Writing Fiction from The Open University ★★★★☆(21)
• Principles of Biochemistry from Harvard University ★★★★★(12)
• Java Programming: Solving Problems with Software from Duke University ★★★☆☆(15)
• Google Ads for Beginners from Coursera Project Network ★★★★☆(1)
• Deep Learning A-Z 2025: Neural Networks, AI & ChatGPT Prize
• Aprendiendo a aprender: Poderosas herramientas mentales con las que podrás dominar temas difíciles (Learning How to Learn) from Deep Teaching Solutions ★★★★★(11)
• Introduction to TensorFlow for Artificial Intelligence, Machine Learning, and Deep Learning from DeepLearning.AI ★★★★★(1)
• Italian Language and Culture: Beginner (2025-2026) from Wellesley College ★★★★☆(3)
• Attract and Engage Customers with Digital Marketing from Google
• CompTIA Security+ (SY0-701) Complete Course & Exam ★★★☆☆(1)
• Photography Masterclass: Your Complete Guide to Photography
• How to Write an Essay from University of California, Berkeley ★★★★☆(28)
• Introduction to Kubernetes from Linux Foundation
• Teaching English Online from Cambridge English Language Assessment ★★★★★(3)
• Applied Data Science with Python from University of Michigan
• Capstone: Applying Project Management in the Real World from Google
• Fundamentals of Music Theory from University of Edinburgh ★★★★☆(27)
• Leaders of Learning from Harvard University ★★★★☆(21)
• Introduction to Cloud Computing from IBM ★★★★☆(1)
• Medical Neuroscience from Duke University ★★★★★(52)
• Unreal Engine 5 C++ Developer: Learn C++ & Make Video Games
• Understanding the Brain: The Neurobiology of Everyday Life from The University of Chicago ★★★★★(27)
• Conversational English Skills | 生活英语听说 from Tsinghua University ★★★★☆(12)
• Understanding Research Methods from SOAS University of London ★★★★☆(15)
• A Beginner’s Guide to Writing in English for University Study from University of Reading ★★★★☆(23)
• PMP Exam Prep Seminar – Complete Exam Coverage with 35 PDUs