freeCodeCamp
freecodecamp.orgA free, project-based curriculum covering web development, JavaScript, Python and data, with certifications.
Best for: A complete structured path at no cost.
Freeweb developmentjavascriptpython
Where to learn coding online
You can learn programming to a professional level with free resources. The trick is picking one structured path and building small projects along the way, rather than jumping between courses.
Interactive courses are good for starting; official documentation becomes your main reference as you improve.
Websites
Harvard CS50
cs50.harvard.eduHarvard's introductory computer science course, with lectures and problem sets available free online.
Best for: Understanding computer science fundamentals properly.
Freecomputer sciencecpython
MDN Web Docs
developer.mozilla.orgThe standard reference and learning area for HTML, CSS and JavaScript.
Best for: Looking up exactly how web technologies work.
Freehtmlcssjavascript
The Odin Project
theodinproject.comOpen-source full-stack web development curriculum built around real projects.
Best for: Self-motivated learners aiming for a developer job.
Freeweb developmentfull stackprojects
The Python Tutorial
docs.python.orgThe official Python tutorial from the Python documentation.
Best for: Learning Python from the source.
Freepythonlearn pythondocumentation
Khan Academy
khanacademy.orgFree lessons in maths, science and computing for all ages.
Best for: Maths foundations alongside beginner programming.
Freemathseducationcomputing
Tips
- Pick one language first — Python or JavaScript are common starting points.
- Build something small every week and put it on GitHub.
- Read error messages carefully before searching them.
Descriptions are written by ZIYNU. Features and free-plan limits change, so check each site before relying on it. Listings are not paid.