Learning Library

Free lessons and practice in math, science, computing, economics and more.

Online courses, certificates and degree programs from universities and companies.

Online courses and programs from universities and educational institutions worldwide.

Free course materials from thousands of MIT classes across many subjects.

Free learning platform from The Open University with courses across many topics.

Online courses and programs from universities and specialist organizations.

Large marketplace of practical video courses covering professional and creative skills.

Online learning platform offering free courses and diploma-style programs.

Nonprofit platform providing free self-paced college and professional courses.

Online learning platform with courses in business, design and academic subjects.

Interactive coding lessons and career paths for programming and web development.

Free coding curriculum with projects, certifications and developer learning resources.

Open-source curriculum for learning full-stack web development through projects.

Harvard's introductory computer science course and related learning tracks.

Tutorials and references for HTML, CSS, JavaScript, SQL and other web technologies.

Authoritative documentation and learning guides for open web technologies.

Detailed modern JavaScript tutorial covering the language and browser programming.

Community roadmaps and learning guides for developer roles and technical skills.

Programming practice platform with exercises and mentoring across many languages.

Interactive coding courses with hands-on lessons focused on frontend development.

Gamified lessons for learning and practicing many languages.

English lessons, vocabulary, grammar and pronunciation resources from the BBC.

Structured language courses with vocabulary, grammar and community feedback.

Language-learning platform focused on vocabulary, listening and practical phrases.

Community database of example sentences and translations across many languages.

Educational videos and lessons built around ideas from educators and animators.

Educational video series covering science, history, economics and humanities.

Educational videos and channels covering academic, technical and practical topics.

Collection of academic lectures and course materials from universities.

Learning resources, exercises and guides for students and educators.

Flashcards, practice tests and study activities for many subjects.

Spaced-repetition flashcard software for long-term memorization.

Study platform for notes, flashcards and practice activities.

Study platform with flashcards, notes, explanations and planning tools.

Computational knowledge engine for math, science, data and factual calculations.

Interactive graphing, geometry and mathematical visualization tools.

Interactive tools for geometry, algebra, graphing, statistics and calculus.

Math solver and learning tool with step-by-step explanations for many topics.

Online math problem solver covering basic math through calculus and statistics.

Free notes and tutorials for algebra, calculus and differential equations.

Peer-reviewed open textbooks for college and high-school subjects.

Large library of free public-domain ebooks in many languages and subjects.

Digital library containing books, audio, video, software and archived web materials.

Open educational textbooks and learning materials across academic disciplines.

Library of open educational resources for teaching and learning.

Search engine for scholarly literature across disciplines and publication types.

Research discovery tool for finding and exploring scientific literature.

Education research database with journal articles, reports and teaching literature.

Searchable database of biomedical and life-sciences literature.

Directory of peer-reviewed open-access journals across academic disciplines.

Online courses and learning experiences from Harvard University.

Free access to selected introductory Yale College courses and lectures.

Online courses and professional education from Stanford University.

Search and discovery platform for online courses from universities and providers.

Directory for discovering massive open online courses from many providers.

Online classes focused on creative, design, business and practical skills.

Professional video courses covering business, software and creative skills.

Free certifications and lessons in marketing, sales and customer service.

Official training for Google products and professional certifications.

Official interactive training for Microsoft technologies and cloud services.

Official AWS digital training and learning paths for cloud skills.

Free guided learning paths for Salesforce, business and digital skills.

Technology courses covering networking, cybersecurity and digital skills.

Free learning resources for technology, workplace and professional skills.

Career-focused online courses and learning paths in technology and business.

Interactive programming lessons and coding practice across popular languages.

Coding challenges called kata for improving programming and problem-solving skills.

Programming problems and interview preparation for software engineering roles.

Coding practice, skills assessments and programming challenges.

Learn programming through games, puzzles and coding competitions.

Free computer science curriculum and activities for students and teachers.

Free modern web development course covering React, Node.js, testing and more.

Guides and courses from Google for building fast, accessible modern websites.

Interactive browser lessons and exercises for learning SQL fundamentals.

Interactive visual tutorial for learning Git branches, commits and workflows.

Interactive lessons in math, science and computer science through problem solving.

Clear algebra lessons and explanations for students learning core math concepts.

Friendly explanations, examples and activities for mathematics from basics upward.

Intuitive explanations of math concepts using visual and conceptual approaches.

Searchable encyclopedia of integer sequences used in mathematics and research.

Free interactive science and math simulations from the University of Colorado Boulder.

NASA educational activities and resources for science, technology, engineering and math.

Science project ideas, guides and STEM resources for students and educators.

Explanations and study notes for chemistry topics, especially advanced school-level chemistry.

Tutorials, simulations and practice resources for learning introductory physics.

Free audio courses that teach languages through thinking and pattern recognition.

Free German lessons, videos, audio and exercises from Deutsche Welle.

French-learning exercises and videos based on authentic French-language media.

Audio and video lessons for learning Japanese vocabulary, grammar and conversation.

Pronunciation dictionary with words recorded by native speakers around the world.

Free public-domain audiobooks read by volunteers in many languages.

Carefully formatted and proofread public-domain ebooks available for free.

Open catalog and digital lending project for discovering and reading books.

Free library of source texts and public-domain documents maintained by Wikimedia.

Collaboratively written open textbooks and instructional books from Wikimedia.

Digital library of academic journals, books and primary sources.

Search engine aggregating open-access research papers from repositories and journals.

Academic search engine indexing scholarly web resources and open-access documents.

Open repository of research preprints in physics, mathematics, computer science and more.

Search metadata for scholarly publications, citations and DOI records.

Global network supporting open education and freely accessible learning resources.

Open online courses and professional development from educators and institutions.

Free online courses in information technology, digital transformation and innovation.

Open online learning platform with courses from educational institutions and organizations.

Online courses focused on creative technology, art, design, music and computing.

Free courses and tutorials about complex systems, computation and related sciences.

Free tutorials for technology, workplace, reading, math and everyday skills.

Online technology and professional courses covering coding, business and digital skills.

Programming tutorials, courses and references for computer science learners.

Beginner-friendly programming tutorials and interactive coding tools.

Computer science tutorials, programming references and interview preparation.

Tutorials and learning materials across programming, technology and professional topics.

Fast searchable documentation browser combining references for many developer technologies.

Official PHP language documentation with functions, syntax and examples.

Official documentation and tutorials for the Python programming language.

Official book for learning the Rust programming language from fundamentals onward.

Interactive official introduction to the Go programming language.

Free detailed tutorials for learning modern C++ from beginner to advanced topics.

Free online book teaching data science workflows with the R programming language.

Short hands-on courses in Python, data science, machine learning and AI.

Interactive courses in data science, analytics, programming and AI.

Practical SQL tutorial covering querying, analytics and data exploration.

Visual introduction to probability and statistics using interactive explanations.

Clear video explanations of statistics, machine learning and data science concepts.

Free and low-cost open textbooks and resources for statistics and data science.

Free digital textbooks, lessons, simulations and practice for K-12 STEM subjects.

Free biology and science classroom resources, videos and interactive materials.

Interactive genetics and biology learning resources from the University of Utah.

Educational chemistry videos exploring elements, experiments and chemical concepts.

Educational resources about geography, environment, science and the world.

Digital learning resources built from Smithsonian museum and research collections.

Explore art, history, museums and cultural collections through interactive experiences.

Accessible articles, maps and educational resources covering world history.

Encyclopedia and educational reference materials across a wide range of subjects.

Collaborative encyclopedia covering millions of topics with citations and references.

Wikimedia project for open learning resources, courses and collaborative education.

Curated collection of online learning materials and open educational resources.

Open annotation tool for highlighting and discussing web pages and documents.

Free reference manager for collecting, organizing, citing and sharing research sources.

Reference manager and academic research platform for organizing papers and citations.

Visual tool for exploring relationships between academic papers in a research field.

Literature discovery platform for exploring papers, authors and citation networks.

Research database for discovering publications, datasets, grants, patents and citations.

Open platform for searching scholarly works and patent information.

Repository for working papers and early-stage research across social sciences and other fields.

Distributed database of economics research papers, articles, authors and institutions.

Open repository for research papers, datasets, software and other scholarly outputs.

Platform for managing, sharing and collaborating on research projects and materials.

Service that helps locate legally available open-access versions of scholarly articles.

Global catalog for finding books, articles and library collections around the world.

Open MIT course materials covering biology and life sciences.

Open MIT lectures, notes and assignments for physics courses.

Open MIT course materials covering calculus, algebra and advanced mathematics.

University-level online courses in engineering, science and humanities.

Online courses from universities and education institutions across many subjects.

Online university study options and information from Australian institutions.

Tuition-free accredited online university programs with assessment fees.

Free courses designed to help learners prepare for college-level examinations.

Video lessons, courses and study resources across school and college subjects.

Interactive text-based courses for programming, system design and technical interviews.

Real-world frontend projects for practicing HTML, CSS, JavaScript and frameworks.

Coding game for improving CSS skills by recreating visual targets.

Open-source workshops that teach Node.js and JavaScript through hands-on exercises.

Guided tour through Git fundamentals using practical exercises.

Interactive lessons for learning regular expressions through simple exercises.

Interactive SQL tutorials and exercises using real queries and examples.

Interactive Python tutorial with browser-based exercises for beginners.

Interactive JavaScript tutorial with short lessons and coding exercises.

Interactive HTML tutorial for learning webpage structure and core markup.

Interactive tutorial for learning Unix shell commands and scripting basics.

Interactive lessons for improving keyboard typing speed and accuracy.

Adaptive typing practice focused on accuracy, speed and keyboard muscle memory.

Typing lessons, tests and games for students and individual learners.

Public-domain ebooks and texts, including works available in Australia.

Digital collection of classical Greek, Roman and historical texts and resources.

Poems, poet biographies, essays and educational resources about poetry.

Poetry archive, poet profiles and educational materials from the Academy of American Poets.

Primary sources and educational activities based on historical archival documents.

Primary-source collections and classroom resources from the Library of Congress.

Digital access to European cultural heritage including art, books and historical records.

Millions of digitized photographs, documents and cultural heritage items from US institutions.

Research and interactive data on global issues including health, population and environment.

Free global development indicators and datasets from the World Bank.

United Nations statistical data covering countries, economies and social indicators.

Indicators and datasets on economies, education, society and public policy.

Interactive tools and educational materials for understanding global development data.

Geography quizzes for learning countries, capitals, flags and physical geography.

Large collection of quizzes covering geography, history, science and general knowledge.

Educational quizzes and games created by learners and teachers.

Simple collaborative mind-mapping tool for organizing ideas and study notes.

Online mind-mapping platform for brainstorming, planning and organizing learning.

Free diagramming tool for flowcharts, concept maps and visual study materials.

Web companion for syncing and reviewing Anki spaced-repetition flashcards.

Citation generator for creating references in common academic styles.

Fast free bibliography generator from the creators of Zotero.

Tool for matching reference lists with DOI metadata from Crossref.

Persistent researcher identifier system connecting authors with scholarly work.

Open catalog of scholarly works, authors, institutions, sources and research topics.

Computer science bibliography covering journals, conferences and researcher publications.

Search engine for openly licensed images and media useful in educational projects.