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H
Harvard Online
Programming Languages
CS50x: Introduction to Computer Science
Harvard's legendary introduction to computer science and the art of programming.
Paid certificateDetails
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42 new free courses added this week from Harvard, Google and freeCodeCamp
freeCodeCampGoogleedXSee what's newBrowse every free online course in the directory. Filter by category, provider, level, length and whether the certificate is free — then enrol on the provider's own site.
29 of 41 courses
Harvard Online
Programming Languages
Harvard's legendary introduction to computer science and the art of programming.
Coursera
Personal Development
The evidence-based study techniques that make every other course on this site work.
Coursera
Programming Languages
The gentlest possible start to Python, from the University of Michigan.
freeCodeCamp
Web Development
Build five real projects while learning semantic HTML, CSS layout and accessibility.
Khan Academy
Data Science
The statistical foundation every data course assumes you already have.
Business & Marketing
Google's 26-module marketing foundation, accredited by IAB Europe.
Microsoft Learn
Cloud & DevOps
Cloud concepts, core Azure services, and how cloud billing really works.
Cisco Networking Academy
Cyber Security
The threat landscape, common attacks and the defences that stop them.
Kaggle Learn
AI & Machine Learning
Train, validate and improve your first models in a single afternoon.
Microsoft Learn
AI & Machine Learning
A plain-language tour of machine learning, vision, language and generative AI on Azure.
MIT OpenCourseWare
Programming Languages
MIT's real first-year Python subject, lectures, problem sets and all.
Business & Marketing
Set up GA4 properly and read the reports without fooling yourself.
HubSpot Academy
Business & Marketing
The inbound methodology, from attracting strangers to delighting customers.
Cisco Networking Academy
Programming Languages
A structured Python foundation that maps to the PCEP entry certification.
Microsoft Learn
Career Skills
Formulas, lookups, pivot tables and charts — the office baseline.
Kaggle Learn
Data Science
Query real datasets with SQL against BigQuery, free of charge.
The Odin Project
Web Development
The open-source curriculum that sets up your machine and your fundamentals properly.
Cisco Networking Academy
Cloud & DevOps
Your first eight hours on a Linux command line, with real browser labs.
Alison
Language Learning
A free, ad-supported first course in conversational Spanish.
OpenLearn
Personal Development
Budgeting, debt, saving and planning, taught without a product to sell you.
IBM SkillsBuild
AI & Machine Learning
How large language models work, what they get wrong, and how to prompt them well.
OpenLearn
Language Learning
Academic English for people who will study or work in it.
edX
Design & UI/UX
The W3C's own course on building for people with disabilities.
Great Learning Academy
Web Development
A six-hour orientation to how websites are built, with a free certificate.
Great Learning Academy
Design & UI/UX
The UX process from user research through wireframes to usability testing.
IBM SkillsBuild
Data Science
What a data science project looks like end to end, before you touch a model.
Saylor Academy
Career Skills
Scope, schedule, budget and risk — the four things every project manager is judged on.
OpenLearn
Design & UI/UX
A structured approach to framing problems before you start solving them.
Duration, rating and certificate terms are indicative and set by the provider. Every enrol button opens the provider's own page in a new tab — we never host or resell a course.