Free Courses

This course picks up where CS50 leaves off, diving more deeply into the design and implementation of web apps with Python, JavaScript, and SQL using frameworks like Django, React, and Bootstrap.

Learn how to use decision trees, the foundational algorithm for your understanding of machine learning and artificial intelligence.

Learn about Hector Berlioz’s Symphonie Fantastique, an iconic Romantic symphony that ushered in an era of narrative “program music.”

Apply tools of single-variable calculus to create and analyze mathematical models used by real practitioners in social, life, and physical sciences.

Learn skills and tools that support data science and reproducible research, to ensure you can trust your own research results, reproduce them yourself, and communicate them to others.

Learn about successful collaborations between families and educators and why they lead to improved outcomes for students and schools.

Learn to use machine learning in Python in this introductory course on artificial intelligence.

Learn about Claudio Monteverdi’s L’Orfeo, one of the first operas ever written.

Access to healthcare services is critical – but is it enough?

Understand how the FDA regulates pharmaceuticals and explore debates on prescription drug costs, marketing, and testing.

Combine literary research with data science to find answers in unexpected ways. Learn basic coding tools to help save time and draw insights from thousands of digital documents at once.

Learn to process and convert raw data into formats needed for analysis.  

Learn about the development of 2D and 3D interactive games in this hands-on course, as you explore the design of games such as Super Mario Bros., Pokémon, Angry Birds, and more.

Learn probability, an essential language and set of tools for understanding data, randomness, and uncertainty.

Learn about Beethoven’s monumental 9th Symphony and forms of orchestral music.

An introduction to the study of bioethics and the application of legal and ethical reasoning.

Learn the fascinating history of Igor Stravinsky’s The Rite of Spring, one of the most challenging and rewarding ballets ever written.

Reimagine global health problems with some of the leading global health thinkers and actors through a case-based biosocial framework.

Learn about the Quran, the central sacred text of Islam, through an exploration of the rich diversity of roles and interpretations in Muslim societies.

Build a foundation in R and learn how to wrangle, analyze, and visualize data.

This course introduces learners to Machine Learning Operations (MLOps) through the lens of TinyML (Tiny Machine Learning). Learners explore best practices to deploy, monitor, and maintain (tiny) Machine Learning models in production at scale.

Show what you’ve learned from the Professional Certificate Program in Data Science.

An introduction to programming using Python, a popular language for general-purpose programming, data science, web programming, and more.

Join Harvard Medical School faculty Dr. Luana Marques to use applied psychology to build personal resilience with five science-driven skills.

Learn how American women created, confronted, and embraced change in the 20th century while exploring ten objects from Radcliffe’s Schlesinger Library.

Explore the underlying structures of everyday arguments and develop the tools to communicate effectively.

Learn advanced approaches to genomic visualization, reproducible analysis, data architecture, and exploration of cloud-scale consortium-generated genomic data.

Expand your learning of chemistry and thermodynamics by exploring entropy, free energy, and equilibrium.

Learn how global warming impacts human health, and the ways we can diminish those impacts.

Examine best practices in child and family policies, advocacy, financing, and pathways to scale.