Here are the thirty-five most popular free online university courses and Massive Open Online Courses (MOOCs) starting in November 2021, based on Class Central learners’ activity.

If these courses don’t interest you, either browse Class Central’s extensive catalog of 40,000 online courses via our subjects page, or have a look at our thematic collections:

• Massive List of Thousands of Free Certificates and Badges
• 1600+ Coursera Courses That Are Still Completely Free
• 450+ Free Ivy League Online Courses
• The Best Online Courses of All-Time
• 100 Top FREE edX Courses of All Time
• 250 Top Udemy Courses of All Time

To see all our compilations, visit Class Central’s Collections.

Most Popular Courses

English for Developing a Business
University of California, Irvine via Coursera
This course will help you learn English vocabulary related to topics of business leadership and organization. The lessons on business communication and working globally present you with some phrases and skills for interacting in business environments.

Human Factors in AI
Duke University via Coursera
This third and final course of the AI Product Management Specialization by Duke University’s Pratt School of Engineering focuses on the critical human factors in developing AI-based products.

English for Working Together in Business
University of California, Irvine via Coursera
In this course, we will delve into some business topics that illustrate how all company departments and teams need to work together to be successful. We will have some interesting topics learning vocabulary and ideas about human resources, management, and marketing.

A General Approach to Risk Management
University System of Georgia via Coursera
When there are threats in the internal and external environments, they create the risk of information loss or damage. This course examines the design and construction of a risk management program, including policies and plans, to support the identification and treatment of risk to the organization’s information assets.

Machine Learning Foundations for Product Managers
Duke University via Coursera
In this first course of the AI Product Management Specialization offered by Duke University’s Pratt School of Engineering, you will build a foundational understanding of what machine learning is, how it works and when and why it is applied.

English for Getting Down to Business
University of California, Irvine via Coursera
In this course, as you read passages and watch videos, you will learn about the challenges of entrepreneurship, the importance of sales professionals in every company, and how to read numbers and graphs in sales reports.

Artificial Intelligence: Ethics & Societal Challenges
Lund University via Coursera
Artificial Intelligence: Ethics & Societal Challenges is a four-week course that explores ethical and societal aspects of the increasing use of artificial intelligent technologies (AI). The aim of the course is to raise awareness of ethical and societal aspects of AI and to stimulate reflection and discussion upon implications of the use of AI in society

How to Build an Effective Service Company
IESE Business School via Coursera
What do you have to do to make things happen and make things right in services companies or service areas? In this course, you will follow four companies, each in a different service sector as they address the problems that do not allow them to deliver an excellent service and improve their results.

Cybersecurity Foundations for Risk Management
University System of Georgia via Coursera
In order to manage the cybersecurity function business, you must first understand its language and its environment. This course covers the foundations of cybersecurity, including threats and vulnerabilities as well as the tools, technologies, and strategies used to manage it.

Algorithms with Numbers
Saint Petersburg State University via Coursera
This course represents an introduction to algorithms with numbers, including linear algebra problems and arbitrary precision arithmetic, that appear virtually everywhere, from cryptography to audio processing.

AI, Business & the Future of Work
Lund University via Coursera
This course from Lunds university will help you understand and use AI so that you can transform your organisation to be more efficient, more sustainable and thus innovative.

Business Intelligence and Visual Analytics
University of California, Irvine via Coursera
Building on “Data Warehousing and Business Intelligence,” this course focuses on data visualization and visual analytics. Starting with a thorough coverage of what data visualization is and what type of visualization is good for a given purpose, the course quickly dives into development of practical skills and knowledge about visual analytics by way of using one of the most popular visual analytics tools: SAS Viya, a cloud-based analytics platform.

Health behaviors: from individuals to larger contexts
National University of Singapore via edX
Understand how health behaviours impact health, what drives them and how to change them for the better

Managing Machine Learning Projects
Duke University via Coursera
This second course of the AI Product Management Specialization by Duke University’s Pratt School of Engineering focuses on the practical aspects of managing machine learning projects. The course walks through the keys steps of a ML project from how to identify good opportunities for ML through data collection, model building, deployment, and monitoring and maintenance of production systems.

Nano-Device for Energy Harvesting and Sensing
Purdue University via edX
Learn about the field of nanotechnology with a special emphasis on nanomaterials synthesis, characterizations and their applications in civil and environmental engineering.

Data Warehousing and Business Intelligence
University of California, Irvine via Coursera
By the end of this course, students will be able to explain data warehousing and how it is used for business intelligence, explain different data warehousing architectures and multidimensional data modeling, and develop predictive data mining models, including classification and estimation models. IN addition, students will be able to develop explanatory data mining models, including clustering and association models.

Practical Python for AI Coding 2
Korea Advanced Institute of Science and Technology via Coursera
This course is for a complete novice of Python coding, so no prior knowledge or experience in software coding is required. This course selects, introduces and explains Python syntaxes, functions and libraries that were frequently used in AI coding. In addition, this course introduces vital syntaxes, and functions often used in AI coding and explains the complementary relationship among NumPy, Pandas and TensorFlow.

Impact Measurement & Management for the SDGs
Duke University via Coursera
How can businesses and investors help fill the $2 trillion gap needed for sustainable development? Simply put, by getting better at measuring and managing impacts on people and planet. Through this course, anyone can learn to improve their organization’s practice of impact management, and how to align their ESG or impact activities and reporting with emerging global standards.

Enlightening the Dark Ages: Early Medieval Archaeology in Italy
University of Padova via FutureLearn
Learn what innovative methods and tools applied to the material culture of the past can tell us about the Early Middle Ages.

Industrial Internet of Things (IIoT)
University of Michigan via Coursera
In this course, learners will be introduced to the concept of the Industrial Internet of Things, or IIoT, learn how it is applied in manufacturing, and what businesses should consider as they decide to implement this technology. Considerations include information technology infrastructure, the business value of implementing IIoT, and what needs to happen across the organization to ensure successful implementation.

Digital Literacy
Higher School of Economics via Coursera
The online course in Digital Literacy offered by HSE University was designed to help the students acquire various competencies that will enable them to safely and effectively use digital technologies and Internet resources in an academic and professional context.

Climate change and Indigenous People and local communities
Universitat Autònoma de Barcelona (Autonomous University of Barcelona) via Coursera
Climate change is a global phenomenon, but its impacts vary among different social groups, who perceive and adapt to climate change impacts in different ways.

Writing with Adjective Clauses
University of California, Irvine via Coursera
Do you have a hard time describing things, people, and places in English? This course will show you how to be more descriptive in your writing by incorporating adjective clauses in complex sentences.

Introduction to C++ Programming and Unreal
University of Colorado System via Coursera
This course is all about starting to learn how to develop video games using the C++ programming language and the Unreal Engine on Windows or Mac.

Writing with Adverb Clauses
University of California, Irvine via Coursera
If you struggle to express complex ideas in English, don’t worry! This course will lead you step-by-step on your journey to more advanced writing. You’ll see the difference that adverb clauses can make.

Science and Engineering of Climate Change
EDHEC Business School via Coursera
Global warming is one of the most significant challenges of the century and tackling it in the most effective way requires a good understanding of its physical, social and financial aspects. The Science and Engineering of Climate Change course offers an introduction to the science of climate change and to the existing technologies to mitigate its effects.

Achieving Health Equity in Healthcare
University of Michigan via Coursera
The third and the last course of the Addressing Racial Health Inequity in Healthcare specialization will go through various approaches that are used to addressing racial inequity in healthcare, and the strengths and challenges of those approaches. You will explore legal, policy, and regulatory approaches to interventions such as Title IX in the United States.

Writing with Noun Clauses
University of California, Irvine via Coursera
This course is designed to hold your hand step-by-step through the most basic concepts of noun clauses all the way to the end goal of writing a paragraph with varied noun clauses.

Global Systemic Risk
Princeton University via Coursera
What is globalization and how does it work? How can we understand the process as a whole? What are the risks of living in a world where “no one is in charge”? This course introduces students to systems thinking, network theory, and risk analysis and uses these tools to better understand the process of globalization. Focusing on trade, finance, and epidemiology, it analyzes potential challenges to the current global order.

Economics and Policies of Climate Change
EDHEC Business School via Coursera
Being aware of the urgency and importance of climate change is not enough to tackle it effectively. To avoid the worst climate outcomes, decisive action has to be taken. But what realistic options do we have? Since our resources are limited, is it better to act now or wait until we have more advanced and less expensive technology? How big do our abatement efforts have to be?

Financial Statements, SEC Filings and Ratio Analysis
University of Illinois at Urbana-Champaign via Coursera
The objective of Financial Statement and Ratio Analysis for MBAs is to provide you with the knowledge and skills necessary to analyze, interpret, understand, and use financial information to make informed decisions. This course is intended to give you exposure to the issues facing users of financial statements. You will better understand your role in the financial reporting process if you know how the financial statements will ultimately be used.

Thought Experiments: An introduction to philosophy
Erasmus University Rotterdam via Coursera
You’re probably not aware of it, but since you already know how to see movies and use your imagination, you’re well on your way to becoming a good philosopher. The only thing you still need and want to develop though, is the ability to use your imagination in the philosophical way, and that’s exactly what you’ll learn in this MOOC.

Data Visualization Best Practices
University of California, Irvine via Coursera
In this course, we will cover the basics of visualization and how it fits into the Data Science workflow. We will focus on the main concepts behind the purpose of visualization and the design principles for creating effective, easy-to-communicate results. You will also set up your Tableau environment, practice data loading, and perform univariate descriptive analysis of the S&P 500 stock sectors.

Designing a Climate Neutral World: An Introduction
Delft University of Technology via edX
Learn about climate change strategies and the basic tools used for evaluating alternative options for mitigating greenhouse gas emissions

Introduction to Political Philosophy
Higher School of Economics via Coursera
The objective of the course is to familiarise the students with the main ideas and themes of Western Philosophy from the Ancient Greeks to the present day with a special focus on moral, social and political problems. The course also touches upon the ideas in metaphysics, ontology and religious philosophy, but only to extent that these conceptual areas illuminate moral and political issues.