Free Courses

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

An overview of divination systems, ranging from ancient Chinese bone burning to modern astrology.

Learn the principles guiding humanitarian response to modern emergencies, and the challenges faced in the field today.

Explore acts of storytelling in Shakespeare’s Othello alongside world-class artists who interpret Othello’s story in new forms and contexts today.

Study Baroque and Classical opera through Handel’s Giulio Cesare and Mozart’s Don Giovanni

Explore the ethical controversies of financial markets.

Learn about the key beliefs and practices of Judaism through an examination of its sacred texts and their interpretation.

Discover what makes your brain tick in this third course in our introductory series in neuroscience.

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

This is CS50’s introduction to computer science and tech literacy for business professionals.

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

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

HKS Executive Education and Harvard's John A. Paulson School of Engineering and Applied Sciences present a webinar featuring Harvard faculty Martin Wattenberg and Fernanda Viégas.

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

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

Learn inference and modeling: two of the most widely used statistical tools in data analysis.

An in-depth look at the 1854 London cholera epidemic in Soho and its importance for the field of epidemiology.

Learn the skills and tools of improvement science to make positive changes in health, healthcare, and your daily life.

The structure, annotation, normalization, and interpretation of genome scale assays.

Learn probability theory — essential for a data scientist — using a case study on the financial crisis of 2007–2008.

Develop skills in digital research and visualization techniques across subjects and fields within the humanities.

Mobilize people to tackle tough problems and build the capacity to thrive through the dangers of change

Learn about public policy in America and the dynamics of American politics.

Learn about the Qin and Han dynasties, and how Buddhism and ideas of self-realization influenced the medieval period.

A focus on several techniques that are widely used in the analysis of high-dimensional data.

This introduction to moral and political philosophy is one of the most popular courses taught at Harvard College.

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

Build a movie recommendation system and learn the science behind one of the most popular and successful data science techniques.

Explore and understand your own theories of learning and leadership.