Here are the thirty most popular new Massive Open Online Courses (MOOCs) starting in October, based on Class Central learners’ activity.

You can find the entire catalog of  15,000 free online courses offered by ~1000 universities around the world, on Class Central’s subject page.

Modern Product Leadership
University System of Maryland via edX
Lead product teams and organizations to deliver winning solutions for customers while driving engagement and innovation across the enterprise

Let’s Get Personal: Working with Personality Type
University System of Maryland via edX
Effective leaders capitalize on their strengths & manage their weaknesses. Build your power skills by understanding the MBTI, personality type assessment, and how to use your type to your greatest advantage as an effective leader.

Energy Supply Systems for Buildings
Delft University of Technology via edX
Discover how to convert natural resources into heat, cold and electricity, what the capabilities of renewable systems are, how to match energy supply with buildings’ energy demand, and what that means for energy efficiency and carbon emissions.

Computational Learning Theory and Beyond
via openHPI
In this T-shaped course you will be introduced to computational learning theory and get a glimpse of other research towards a theory of artificial intelligence. “T-shaped” means that on the one hand we will concentrate on different learning models in depth, on the other hand we want to give a broad overview and invite experts from other AI projects to show what else can be done in AI.

Digital Marketing Strategy
University of Edinburgh via edX
Learn how to create a digital marketing strategy for implementation in your business.

Challenges and solutions in Future Power Networks
via EMMA
If you are looking for a program that keeps you up with new innovative solutions for the power network of the future, then this course is for you. Learn about the challenges in and solutions for frequency control, voltage control, simulations, and monitoring.

Writing for Performance
University of Cambridge via edX
Learn to deepen your creative practice as a playwright, as well as develop professionally transferable writing skills and communication expertise. This course will broaden your understanding of how to start a career successfully as a professional dramatist, as well as offer you insights in how to maximise and enjoy the processes of your personal creativity.

Innovation and Diversity in Engineering
via EMMA
The course deals with the context between the development of sustainable innovations and diversity and with the question how culture shapes and impacts engineering.

Managing, Describing, and Analyzing Data
University of Colorado Boulder via Coursera
In this course, you will learn the basics of understanding the data you have and why correctly classifying data is the first step to making correct decisions. You will describe data both graphically and numerically using descriptive statistics and R software.

Data Processing and Analysis with Excel
Rochester Institute of Technology via edX
Learn to use Excel to organize and clean data so it can be manipulated and analyzed.

Introduction to Finance: The Basics
University of Illinois at Urbana-Champaign via Coursera
In the Introduction to Finance I: The Basics course, you will be introduced to the basic concepts needed to understand the financial manager’s decision-making process. To achieve that, you will learn about the basic forms a business can take and the goal of the financial manager.

Introduction to Healthcare
Stanford University via Coursera
This course explores the fundamentals of the U.S. healthcare system. It will introduce the principal institutions and participants in healthcare systems, explain what they do, and discuss the interactions between them.

Data Science Project: MATLAB for the Real World
MathWorks via Coursera
Like most subjects, practice makes perfect in Data Science. In the capstone project, you will apply the skills learned across courses in the Practical Data Science with MATLAB specialization to explore, process, analyze, and model data. You will choose your own pathway to answer key questions with the provided data.

The Path to Happiness and Good Quality of Life
Universidad de Palermo via FutureLearn
What is happiness? Explore the concept of happiness and consider the things that influence your own happiness and quality of life.

Mastering Programming with MATLAB
Vanderbilt University via Coursera
The course builds on the foundation laid by the first course of the Specialization called “Introduction to Programming with MATLAB.” It covers more advanced programming concepts such as recursion, vectorization, function handles, algorithm efficiency and others.

Education Research that Matters: Doing Research in Your Learning Community
University of Birmingham via FutureLearn
Build the tools and knowledge to perform your own education research and establish yourself as a teacher-researcher.

Introduction to Food Science
EIT Food via FutureLearn
Discover the fascinating world of food science and feel empowered to make safe, healthy, and sustainable food choices.

REAL BONES: Adventures in Forensic Anthropology
Princeton University via Coursera
Forensic anthropology involves medico-legal cases where human remains have lost “personhood” (an individual cannot be identified due to decomposition or destruction of unique personal features).

A Beginner’s Guide to Etiquette (Part 2)
XuetangX via France Université Numerique
The Chinese nation is known as the “state of etiquette”, and its etiquette culture has a long history. Etiquettes, reflecting one’s recognition and respect for others, society and country, can effectively show the upbringing, manners and charm of the person who shows and the person who receives and returns.

Global Education for Teachers
University College London via FutureLearn
Discover key issues in global citizenship education and learn how to prepare your students for the global challenges of tomorrow.

Techniques of Design-Oriented Analysis
University of Colorado Boulder via Coursera
This is Course #2 in the Modeling and Control of Power Electronics course sequence. The course is focused on techniques of design-oriented analysis that allow you to quickly gain insights into models of switching power converters and to translate these insights into practical converter designs.

Richard Schechner’s Introduction to Performance Studies
New York University (NYU) via Coursera
This course is devised by Richard Schechner, one of the pioneers of performance studies, in dialogue with more than a dozen expert scholars and artists. Performance Studies: An Introduction puts students in dialogue with the most important ideas, approaches, theories, and questions of this dynamic, new academic field.

Ethical Decision-Making: Labor and Production Dilemmas
Georgetown University via edX
Labor and production standards, meant to ensure the safety of workers and consumers, are neither universally accepted nor always enforced. Where local governments fail to act, global corporations may receive pressure to step in. In this course, you will consider ethical questions about the role of international businesses in preventing harm abroad.

Power, Politics, and Influence at Work
University of Manchester via FutureLearn
Discover the causes of global employment inequalities, how workers gain a voice through unions, and the future of work itself.

The Little Stuff: Energy, Cells, and Genetics
University of Colorado Boulder via Coursera
In this course, we will explore the smaller side of biology: molecular biology. We’ll cover basic topics including cell biology and how cells can go “rogue” and turn into cancer, how energy from the sun is transferred to fuel our bodies, basics of genetics and inheritance, and genetic technologies.

Real-Time Embedded Systems Theory and Analysis
University of Colorado Boulder via Coursera
This course provides an in-depth and full mathematical derivation and review of models for scheduling policies and feasibility determination by hand and with rate monotonic tools along with comparison to actual performance for real-time scheduled threads running on a native Linux system.

Data Representation and Visualization in Tableau
Rochester Institute of Technology via edX
Use Tableau to explore data and discover insights to innovate data-driven decision-making.

Introduction to Data, Signal, and Image Analysis with MATLAB
Vanderbilt University via Coursera
MATLAB is an extremely versatile programming language for data, signal, and image analysis tasks. This course provides an introduction on how to use MATLAB for data, signal, and image analysis.

Cloud Systems Software
Georgia Institute of Technology via Coursera
This course provides an introduction to programming frameworks and their implementation issues in the Cloud. It explains multiple topics, including: scalable distributed data stores, resource management (for supporting multi-tenancy and elasticity) and virtualization techniques.

Animals, Self, and Society
University of Colorado Boulder via Coursera
This course explores how animals and people are situated within the web of structures and connections known as “society.” Module 1 considers some of the key symbolic roles that animals play in society by investigating the practice of “thinking with animals.”