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
173 free courses
All free online courses
Search and filter everything we list. Every card says whether the certificate is free, paid or not offered, and links straight to the provider.
7 of 173 free courses match
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 hrsIntermediate