Oppia
Oppia is a free, open-source learning platform. Full of interactive activities called 'explorations', Oppia helps curious minds learn and teach.
Oppia is a free, open-source learning platform. Full of interactive activities called 'explorations', Oppia helps curious minds learn and teach.
FANDOM is a community-based service that allows anyone to create a wiki on virtually any subject. Discover, share and add your ...
Wikipedia is a free, multilingual encyclopedia project supported by the non-profit Wikimedia Foundation. Wikipedia has 17 mill ...
Like you, we're huge Wikipedia fans! In fact, who isn't? Wikipedia is the greatest curator of human knowledge, allowing people ...
Everipedia removed some of the more annoying aspects of Wikipedia and created a site that is much easier to use. Notability re ...
Moodle is an open source Course Management System (CMS), also known as a Learning Management System (LMS) or a Virtual Learnin ...
Miraheze is a free wiki farm, you can request your wiki which is 100% free and has no ads. The code of Miraheze is opensource ...
Infogalactic is an Internet-based, free-content encyclopedia project that is a dynamic fork of Wikipedia and improves upon the ...
Nuclino is the easiest way to organize and share knowledge in teams. Create real-time collaborative documents and connect them ...
Reference.com offers a massive online dictionary, thesaurus, encyclopedia, quote finder, and translator (powered by Google Tra ...
Wikiversity is a Wikimedia Foundation project devoted to learning resources, learning projects, and research for use in all le ...
Explore wikipedia in 3d
The Encyclopædia Britannica is a general English-language encyclopaedia published by Encyclopædia Britannica, Inc., a privatel ...
The web's source of information for Ancient History: definitions, articles, timelines, maps, books, and illustrations. We're a ...
Worldometers is run by an international team of developers, researchers, and volunteers with the goal of making world statisti ...