50 learning resources in engineering, computer science, AI, math and science, run by universities, nonprofits, public agencies and technology companies. Each card names the owner and says what is free.
University-level course materials and interactive tools for engineering and computing.
Course materials from MIT classes in engineering, computer science, mathematics and physics. Many courses include lecture videos, assignments and exams.
Archived Stanford courses in computer science, artificial intelligence and electrical engineering, with video lectures and course handouts.
Video and web courses in engineering, science and management taught by faculty of the IITs and IISc.
Interactive, research-based courses developed at Carnegie Mellon, covering science, engineering, statistics and other subjects.
Introductions to AI from universities, plus free training from the companies that build the models.
An introductory course for general learners on what AI is, how machine learning works and how AI affects society.
Machine learning fundamentals with interactive explanations and exercises.
Courses on AI fluency, working with Claude and understanding what AI can and cannot do.
Learning hub with guides for ChatGPT and Codex and resources for using AI at work and in study.
Tutorials on building AI applications and agents and on optimizing models.
Coding examples and tutorials for building applications with the Gemini API.
Courses on language models, agents and machine learning using the open-source Hugging Face libraries.
Learn to code with university courses, nonprofit curricula and block-based tools for beginners.
An introductory computer science course with lectures and programming assignments.
A free curriculum with tutorials and certifications in programming and web development.
Programming courses from the University of Helsinki, including Python and Java.
A block-based tool for building mobile apps, with tutorials and teaching materials.
A block-based programming language and community with tutorials for beginners.
Technology companies offering free training on their own platforms and on career skills.
Training in AI, Azure, software development and other Microsoft technologies.
Self-paced courses in cloud computing and related technologies.
Technology and career skills learning.
The groundwork for engineering study: textbooks, lessons and practice in math and the sciences.
Lessons, videos and practice exercises in math, physics, chemistry, biology and introductory computing.
Peer-reviewed textbooks in science, mathematics and computer science, read online or downloaded.
Online textbooks and learning resources for engineering, chemistry, physics, mathematics and other academic subjects.
Textbooks, lessons and practice for school-level math and science.
Learn by experimenting: interactive simulations, tools that run in the browser and project ideas.
Interactive simulations for exploring physics, chemistry, biology, earth science and math, with classroom activities.
Simulation tools, lectures and courses in nanotechnology, electronics and materials that run in a web browser.
Engineering lessons and hands-on activities for K-12 classrooms.
Science and engineering project ideas, guides and resources for teachers and families.
Public agencies and museums with educational material on space, weather, oceans and technology.
Educational resources and activities in space, Earth science, aeronautics and engineering.
Learning resources on oceans, weather, climate and Earth science.
Digital collections and teaching resources from the Smithsonian, including science and technology topics.
Resources for students and teachers on space science, technology and engineering from the European Space Agency.
Lessons, activities and student projects in space exploration and engineering from NASA’s Jet Propulsion Laboratory.
Short explanations, games and activities about space and Earth science, written for young learners.
Educational resources on geology, water, natural hazards, mapping and other Earth science topics.
Public agencies that publish free training and learning material in their own fields.
Free cybersecurity training for the owners and operators of industrial control systems, from introductory to advanced.
Education resources from NIST for students and teachers on measurement, standards, technology and engineering.
Environmental science learning material and activities for students.
Free course material, lectures and problem sets published by some of the world’s leading universities.
A search tool for MIT’s open learning resources, including OpenCourseWare and online courses.
Free online courses from Stanford in subjects such as computer science, engineering and data science.
Courses in programming, data science and other subjects from Harvard.
A machine learning course taught at Caltech, with video lectures and homework.
The classic introductory physics lectures by Richard Feynman, read online in the Caltech-hosted edition.
Lectures, talks and discussions from the University of Oxford, including science, technology and mathematics.
Mathematics enrichment from Cambridge: problems, games and articles for learners from early years to age 18.
Question sets and learning resources in physics, mathematics, chemistry and biology developed at Cambridge.
Lecture recordings from ETH Zurich courses in engineering, science and mathematics.
Course materials from Delft in engineering, architecture and applied sciences.
Course materials from the University of Tokyo, with part of the catalog available in English.
An open university and a course platform that bring together courses from many institutions.
Courses and articles across science, engineering, technology and mathematics from the UK’s Open University.
Courses across engineering, science and technology from universities and companies.
These are independent websites. We are not affiliated with them, and every link goes to the provider's own site. Free access, course lists and certificate fees are set by each provider and can change, so check the provider's page for current terms. Links were last checked in October 2026.