Harvard Online
CS50x: Introduction to Computer Science
Harvard's famous intro to computer science, from Scratch and C to Python, SQL and the web.
173 free courses
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Harvard Online
Harvard's famous intro to computer science, from Scratch and C to Python, SQL and the web.
Google's free Skillshop certification for Google Analytics, backed by four free courses from beginner to advanced.
Python for Everybody (PY4E)
Dr. Chuck's free Python course and textbook, the same material as his Coursera course.
freeCodeCamp
freeCodeCamp's rebuilt HTML and CSS certification with lessons, workshops, labs and a free exam.
University of Helsinki
University of Helsinki's in-depth course on React, Node.js, testing, GraphQL and TypeScript.
An evergreen CSS course on web.dev from the Chrome team, from box model to modern layout.
web.dev's free HTML course on semantics, forms, metadata and accessible markup.
web.dev's free JavaScript course covering the core language from the ground up.
Linux Foundation Training & Certification
A free course explaining each OWASP Top 10 web application risk, from broken access control to SSRF.
freeCodeCamp's Node.js, Express and MongoDB certification built around five API projects.
Harvard Online
Harvard's follow-on to CS50x: build and deploy web apps with Django, JavaScript and SQL.
freeCodeCamp
freeCodeCamp's updated certification on front-end libraries such as React, with a free exam.
AWS Skill Builder
Amazon's own free foundational course on AWS cloud concepts, core services, security and pricing, and the standard prep for Cloud Practitioner.
The W3C's own free course on digital accessibility: who it affects, the business case and the principles behind WCAG.
Scrimba
Bob Ziroll's free interactive React course on Scrimba, with code you can edit inside the video.
The Odin Project
The Odin Project's free starting course: Git, HTML, CSS, Flexbox and JavaScript basics.
MDN Web Docs (Mozilla)
Mozilla's free, standards-based web curriculum from first HTML page to frameworks and accessibility.
Microsoft (open-source curricula)
Microsoft's free 12-week, 24-lesson project curriculum on HTML, CSS and JavaScript.
The Odin Project
The Odin Project's long JavaScript path from intermediate CSS to React, Node and databases.
The Odin Project
The Odin Project's Ruby and Rails path for building database-backed web applications.