Harvard Online
CS50's Introduction to Programming with Python
Harvard's dedicated Python course: functions to unit tests, regex and object-oriented programming.
Free certificateProgramming
60 hrsBeginner
University · United States
Free Harvard Online courses
Harvard publishes a large free catalogue through its Online Learning portal and edX, headlined by CS50, its well-known introduction to computer science. All course material, lectures and problem sets are free; only the verified certificate carries a fee.
- University-grade material
- CS50 ecosystem
- Free CS50 certificates
- Self-paced
Harvard Online
16 courses · 7 free certificates
CS50 courses give a free CS50 certificate for completed work; other Harvard courses are free to audit with a paid verified certificate.
Visit Harvard Online16 free courses
Harvard Online
CS50x: Introduction to Computer Science
Harvard's famous intro to computer science, from Scratch and C to Python, SQL and the web.
Free certificateProgramming120 hrsBeginnerHarvard Online
CS50's Introduction to Cybersecurity
Harvard's free CS50 course on securing accounts, data, systems and software, and on preserving privacy.
Free certificateCyber SecuritySelf-pacedBeginnerHarvard Online
CS50's Introduction to Databases with SQL
Harvard's course on querying, designing and scaling relational databases with SQL.
Free certificateData Science50 hrsBeginnerHarvard Online
CS50's Introduction to Programming with R
Harvard's R course: representing, transforming, tidying and visualizing data.
Free certificateData Science40 hrsBeginnerHarvard's AI course: search, knowledge, uncertainty, optimization, learning and language.
Free certificateAI & Machine Learning70 hrsIntermediateHarvard Online
CS50's Web Programming with Python and JavaScript
Harvard's follow-on to CS50x: build and deploy web apps with Django, JavaScript and SQL.
Free certificateWeb Development120 hrsIntermediateHarvard Online
Backyard Meteorology: The Science of Weather
HarvardX course on reading the sky and forecasting tomorrow's weather from your own observations.
Paid certificateScience24 hrsBeginnerHarvard Medical School course teaching five CBT-based skills for managing stress and anxiety.
Paid certificateHealth & Psychology9 hrsBeginnerHarvard Online
Fat Chance: Probability from the Ground Up
Beginner-friendly HarvardX course building probability from basic counting up to the normal distribution.
Paid certificateMathematicsSelf-pacedBeginnerHarvard Online
Justice
Michael Sandel's famous Harvard course on moral and political philosophy and today's debates.
Paid certificateWriting & Humanities54 hrsBeginnerHarvard Online
Masterpieces of World Literature
Harvard survey of world literature from Gilgamesh and Homer to Borges and Lahiri.
Paid certificateWriting & Humanities72 hrsBeginnerHarvardX introduction to mapping, analysing and strengthening everyday arguments.
Paid certificateWriting & Humanities20 hrsBeginnerHarvard Online
Super-Earths and Life
HarvardX astrobiology course on how life arose and how we search for habitable planets.
Paid certificateScience97 hrsBeginnerHarvard Online
Calculus Applied!
Case studies showing how calculus models real problems in economics, medicine and more.
Paid certificateMathematics45 hrsIntermediateHarvard Online
Principles of Biochemistry
HarvardX course on the molecules of life, enzymes and metabolic pathways.
Paid certificateScienceSelf-pacedIntermediate
Best for: Learners who want rigorous, university-level foundations rather than a quick tutorial.
Harvard Online free courses: questions
Are Harvard Online courses free?
The 16 Harvard Online courses listed here can be studied for free. CS50 courses give a free CS50 certificate for completed work; other Harvard courses are free to audit with a paid verified certificate.
Does Harvard Online give a free certificate?
7 of the Harvard Online courses we list give a free certificate or badge. Each card says which.