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Course Report

24 Most Popular Online Courses Starting in October 2023

The 24 most popular free online university courses and MOOCs starting in October 2023.

Most Popular Courses

Here are the 24 most popular free online university courses and massive open online courses (MOOCs) starting in October 2023, based on Class Central learners’ activity.

If you don’t find what you need in the course list below, browse Class Central’s catalog of over 150K courses or visit our thematic collections:

You can find all the Class Central free certificate articles here.


ChatGPT Advanced Data Analysis
Vanderbilt University via Coursera
ChatGPT Advanced Data Analysis is going to transform tasks by helping amplify your productivity and supporting your creativity.

Data Understanding and Visualization
University of Colorado Boulder via Coursera
The “Data Understanding and Visualization” course provides students with essential statistical concepts to comprehend and analyze datasets effectively.

Computer Networking
Illinois Institute of Technology via Coursera
In this course, you will study the fundamental concepts involved in interconnecting devices for communications. You will also explore protocols, network hardware, and network services.

Issues in Supply Chain Management
University of Illinois at Urbana-Champaign via Coursera
Learners in this course will examine global trade agreements — including policies, barriers, and regulations — of agricultural commodities, and discuss implications of world and economic disruptions on the food supply chain.

Data Analysis with Python
University of Colorado Boulder via Coursera
This course empowers students to apply their knowledge and skills to conduct a real-life data analysis project of their interest. It uses supervised and unsupervised learning, regression, clustering, dimension reduction, association rules, and outlier detection.

Competitive Strategy
Illinois Institute of Technology via Coursera
“Why do some companies outperform others?” In this course, you will learn about 21st century competition, the forces driving it, and the challenges it poses for companies.

Analysis and Interpretation of Large-Scale Programs
Johns Hopkins University via Coursera
This course is for implementers, managers, funders, and evaluators of health programs targeting women and children in low- and middle-income countries as well as undergraduate and graduate students in health-related fields.

Advanced Data Structures, RSA and Quantum Algorithms
University of Colorado Boulder via Coursera
Introduces number-theory based cryptography, basics of quantum algorithms and advanced data-structures.

Digital Business Strategy
University of Virginia via Coursera
Develop your ability to design and implement strategies that will help your company prosper in the digital age.

Machine Learning in Healthcare: Fundamentals & Applications
Northeastern University via Coursera
Examines data mining perspectives and methods in a healthcare context. Introduces the theoretical foundations for major data mining methods and studies how to select and use the appropriate data mining method and the major advantages for each.

Cybercrime
Royal Holloway, University of London via Coursera
This course introduces fundamental notions of cybercrime. Namely, what cybercrime is, the main questions surrounding cybercrime, how cybercrime can be defined, and how it can be studied.

Health Communication
Indian Institute of Management Bangalore via edX
Designed during the difficult months of the COVID pandemic in 2021 to capture the rapidly evolving health communication landscape, this course enables you to deal with “infodemics”, managing the infodemic in a public health crisis for better health outcomes.

Fundamental Skills in Bioinformatics
King Abdullah University of Science and Technology (KAUST) via Coursera
The course provides a broad and mainly practical overview of fundamental skills for bioinformatics (and, in general, data analysis).

Data-Driven Animation for Science Communication
University of California, Santa Cruz via Coursera
In this course each student will create a scientific animation that tells a story with data to better communicate scientific results – along the way they will learn programming, science writing, and technical animation skills.

The Science of Fitness
Curtin University via edX
The Science of Fitness introduces learners to the scientific basis of improving human fitness. It examines aspects such as how fitness is assessed, monitored, optimised and maintainedm with an overarching theme of fitness for everyone.

Generative Pre-trained Transformers (GPT)
University of Glasgow via Coursera
Large language models such as GPT-3.5 that powers ChatGPT are changing how humans interact with computers and how computers can process text. This course will introduce the fundamental ideas of natural language processing and language modelling that underpin these large language models.

Coral Reefs: Introduction to Challenges and Solutions
University of Queensland via edX
Explore the one of the world’s most unique ecosystems, tropical coral reefs, while understanding the key threats to reef health and their solutions.

Cybersecurity Tools and Technologies
Microsoft via Coursera
This course engages you in the world of cybersecurity attack and defense, dealing with both sides and working with the tools associated with security testing within a cloud environment.

The Future of Tourism
Wageningen University via edX
Tourism is changing quickly all around the world. It’s important for people like tourism planners, managers, and business owners to be able to handle these changes and adapt to them.

Perspectives in Digital Transformation: Agribusiness
Inter-American Development Bank via Coursera
In this course, you will be able to learn how to apply the best practices that have been tested by global companies to make the most of the potentialities of digital transformation and its application to your business.

Curate Your Personal Brand: Maximise Impact and Career Opportunities
Curtin University via edX
Develop and curate your personal brand.
This course will help you to explore and reflect on your values, define your personal archetype, discuss language that suits your unique brand and create a tangible strategy that you can use to build your personal brand across professional platforms.

Data Analysis and Visualization with Power BI
Microsoft via Coursera
In this course, you will learn report design and formatting in Power BI, which offers extraordinary visuals for building reports and dashboards. Additionally, you will learn how to use report navigation to tell a compelling, data-driven story in Power BI.

A starter’s guide to Open Science
Erasmus University Rotterdam via Coursera
Welcome to the Erasmus University Rotterdam Open Science MOOC! This course aims to empower researchers and research support professionals with foundational knowledge to conduct, support, and disseminate research efficiently and responsibly.

Model Diagnostics and Remedial Measures
Illinois Institute of Technology via Coursera
In this course, we will learn what happens to our regression model when these assumptions have not been met. How can we detect these discrepancies in model assumptions and how do we remediate the problems will be addressed in this course.

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