FreeBeginner
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 newOne box across every course, provider, category and learning path in the directory.
84 results for “C”
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.
Khan Academy
Mathematics
Limits, derivatives and integrals with adaptive practice after every concept.
freeCodeCamp
Programming Languages
JavaScript from variables to recursion, object-oriented and functional programming.
Business & Marketing
Google's 26-module marketing foundation, accredited by IAB Europe.
MIT OpenCourseWare
Mathematics
Gilbert Strang's linear algebra lectures — the ones every ML engineer is told to watch.
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.
HTML and CSS to a deployed React portfolio.
Python, databases and production web applications.
From your first model to generative AI in production.
Statistics, SQL and Python analysis that stands up to scrutiny.
Linux, cloud and delivery pipelines.
Research, prototyping and designing for everyone.
Four free certificates that employers recognise.
Non-profit · United States
A non-profit teaching people to code, entirely free.
University · United States
Harvard's open catalogue, including CS50.
Platform · United States
University courses from MIT, Harvard, Berkeley and more.
Platform · United States
University and industry courses, most free to audit.
University · United States
Actual MIT course materials, published openly.
Company · United States
Free learning paths for Azure, .NET, Power Platform and AI.
Non-profit · United States
Free, world-class education for anyone, anywhere.
Platform · United States
Short, practical data science micro-courses.
Company · United States
Free marketing, sales and service certifications.
Non-profit · United States
A full open-source full-stack curriculum.
Company · United States
Free technology and workplace skills from IBM.
1 Aug 2026 · EduFree Editorial
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15 Jun 2026 · EduFree Editorial
Six hours a week, sustained for a year, beats twenty hours a week sustained for a month. Here is how to structure them.