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

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

An exploration of the haunting figure at the heart of one of William Shakespeare’s most famous plays.

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

Learn how to face and meet today’s challenges and design a public value proposition that is both actionable and value creating.

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

Discover how pathogen genomics informs public health decisions and practice.

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

Join Harvard University instructor Pavlos Protopapas in this online course to learn how to use Python to harness and analyze data.

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

Explore the reunification of China under the Tang with a focus on aristocratic culture — from poetry to calligraphy to literature.

Explore the roles that microbes play in the production, preservation, and enhancement of diverse foods in a variety of culinary traditions, and learn about the history of food fermentations.

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

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

Find innovation opportunities in health care technology, management, consulting, or investing by examining health care cost, quality, and access.

Learn how to protect your own data, devices, and systems from today's threats.

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

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

Learn to forecast the weather just by looking out your window.

Top chefs and Harvard researchers explore how everyday cooking and haute cuisine can illuminate basic principles in chemistry, physics, and engineering. Learn about food molecules and how chemical reactions can affect food texture and flavor.

Learn the significance of electrochemistry, understanding how electrical, chemical, and mechanical energy are linked.

Discover Handel’s Messiah in this installment of First Nights, which will explore five masterpieces of western music.

Increase your quantitative reasoning skills through a deeper understanding of probability and statistics, with the engaging “Fat Chance” approach that’s made this course a favorite among learners worldwide.

This course is a variant of Harvard University's introduction to computer science, CS50, designed especially for lawyers (and law students).

Explore what makes cities energizing, amazing, challenging, and perhaps humanity’s greatest invention.

Happiness is within your control. Write your own ending.

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

Perform RNA-Seq, ChIP-Seq, and DNA methylation data analyses, using open source software, including R and Bioconductor.

Study Japanese scroll art as text and as "little movies" that immerse the viewer through visual narration.