Education
2,718 websites · most loved first · page 69 of 114· Tonble one of these
Online Journalism Blog
Comment, analysis, and links on online and data journalism, citizen reporting, podcasts, and interactive storytelling, w…
Online Library of Liberty
A free digital library of classic texts in history, philosophy, and political thought, curated with scholarly introducti…
Online Mathematics Textbooks
A long-running curated list of free online mathematics textbooks, from calculus and linear algebra to abstract algebra,…
Ontology: Theory and History
A large reference site on ontology in philosophy, covering its history, theory and vocabulary, with sections on categori…
OpaLingo
An interactive course for learning Macedonian online, with lessons, audio pronunciation, vocabulary games, and Cyrillic…
Open Culture
A long-running hub of free cultural and educational media: online courses, audiobooks, films, textbooks, language lesson…
Open Language Archives Community
A network of digital archives cataloguing language documentation and linguistic field data contributed by researchers ar…
Open Library
An Internet Archive project building one web page for every book ever published, with millions of titles free to read or…
Open Logic Project
A collaborative, open-source logic textbook that teachers can freely customize, covering propositional and first-order l…
Open Middle
A free library of open-ended math problems with a fixed beginning and end but many possible paths, designed to spark dee…
Open Music Theory
A free, open-source college-level music theory textbook covering everything from notation fundamentals to post-tonal ana…
Open Source Shakespeare
A searchable, free digital edition of Shakespeare's complete works, with concordance and word-frequency tools for close…
Open Syllabus
A project that maps the college curriculum across tens of millions of syllabi, letting you explore which books and texts…
Open Textbook Initiative
A curated list of free open textbooks in mathematics from the American Institute of Mathematics, covering topics from ca…
Open Yale Courses
Free and open access to a selection of introductory Yale University courses, with full lecture videos, syllabi, and tran…
Open.gl
An extensive, beginner-friendly guide to modern OpenGL for game development on all major platforms, taking you from a bl…
Open5e
A clean, fast reference for the Dungeons and Dragons 5th Edition open rules, with searchable monsters, spells, and class…
OpenCanada
A publication of Canada's international affairs institutes that explains and analyzes Canada's place in the world throug…
opendata.swiss
Switzerland's national open data portal, aggregating public datasets from federal, cantonal, and municipal authorities a…
OpenFactBook
A community-maintained successor to the CIA World Factbook with free data on 260+ countries covering geography, people,…
OpenGL Tutorial
Free step-by-step tutorials for modern OpenGL 3.3 and later in C and C++, from the first triangle to lighting, textures…
OpenGLBook
A free OpenGL programming tutorial in online book format, walking through the fundamentals of graphics programming one c…
OpenLearn
The Open University's free learning platform with nearly a thousand self-paced courses across science, history, language…
Opensource.com
A community publication with articles, tutorials, and stories about open source software, hardware, and culture from dev…
Stumble onto more like this
One click takes you to a page you didn't know you were looking for. Rate it and the next one lands closer to your taste.
Add to Browser — it's freeWorks in Chrome, Edge and Brave. No account needed.