org.il
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org.br
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organism.earth
Evolution isn't done, it's just getting started.
OpenUserJS
Download userscripts to enhance your browser.
OpenStax
OpenStax offers free college textbooks for all types of students, making education accessible & affordable for everyone. Browse our list of available subjects!
Open Media Library
Open Media Library is a local web application that lets you manage and sync digital media collections.
openmd.com
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Newly Uploaded Books | OPENMAKTABA
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Welcome to Open Library | Open Library
Open Library is an open, editable library catalog, building towards a web page for every book ever published. Read, borrow, and discover more than 3M books for free.
Open Knowledge Maps - Your guide to scientific knowledge
Start your literature search here: get a visual overview of a research topic, find relevant papers, and identify important concepts.
OpenEdition: four platforms for electronic resources in the humanities and social sciences: OpenEdition Books, OpenEdition Journals, Hypotheses, Calenda
OpenEdition gathers OpenEdition Books, OpenEdition Journals, Hypotheses.org and Calenda, four platforms dedicated to electronic resources in the humanities and social sciences. OpenEdition est un portail de ressources électroniques en sciences humaines et sociales (OpenEdition Books, OpenEdition Journals, Hypothèses, Calenda).
OpenChapter | Free eBooks the way its meant to be
Enjoy unlimited free eBooks on OpenChapter – explore knowledge, fantasy, and adventure with no subscription or fees. Start reading your favorites today!
OpenAIRE
Scientific Knowledge Graph. Scholarly Communication Knowledge Graph. Open scholarly communication infrastructure. European Open Science Cloud. Open Access. Open Data. Open Science