Stubia is a mobile encyclopedia that limits each article to 160 characters: this limitation makes each topic easy to understand.

Alchetron.com is a free social encyclopedia for world where you can create, organize and learn easily using topics. With Alche ...

Wikipedia is a free, multilingual encyclopedia project supported by the non-profit Wikimedia Foundation. Wikipedia has 17 mill ...

Wikipedia, better than ever—on iPhone, iPad, and Apple Watch. Discover the world and enjoy beautiful typography with this slee ...

Newslines lets people create shared timelines on any person, product or news event. Writers create news snippets that are comb ...

Freebo is Topics search tool. If you don't know something, ask Freebo, it probably knows. Pick your interest and have fun read ...

Everipedia removed some of the more annoying aspects of Wikipedia and created a site that is much easier to use. Notability re ...

Oppia is a free, open-source learning platform. Full of interactive activities called 'explorations', Oppia helps curious mind ...

Infogalactic is an Internet-based, free-content encyclopedia project that is a dynamic fork of Wikipedia and improves upon the ...

Reference.com offers a massive online dictionary, thesaurus, encyclopedia, quote finder, and translator (powered by Google Tra ...

Lunyr is a decentralized crowdsourced encyclopedia and knowledge base, on the Ethereum blockchain. It rewards users with app t ...

Dictionary from the Elementary project.

The Encyclopædia Britannica is a general English-language encyclopaedia published by Encyclopædia Britannica, Inc., a privatel ...

Citizendium, powered by MediaWiki, is "an open wiki project dedicated to creating a free, comprehensive, and reliable reposito ...

Wikipedia is probably the single largest, most comprehensive and simply best information resource out there on the Internet - ...