Viki - Wikipedia!

Kiwix enables you to have the whole Wikipedia at hand wherever you go! On a boat, in the middle of nowhere or in Jail, Kiwix gives you access to the whole human knowledge. You don't need Internet, everything is stored on your computer, USB flash drive or DVD!

The Encyclopædia Britannica is a general English-language encyclopaedia published by Encyclopædia Britannica, Inc., a privately-held company. The articles in the Britannica are aimed at educated adult readers, and written by a staff of about 100 full-time editors and over 4,000 expert contributors. It is widely regarded as the most scholarly of encyclopaedias. Software versions include Britannica Ultimate Reference CD or DVD, Britannica Deluxe CD or DVD and Britannica Online.

Dictionary and offline Wikipedia reader.

Infogalactic is an Internet-based, free-content encyclopedia project that is a dynamic fork of Wikipedia and improves upon the online encyclopedia's model of openly editable content. Infogalactic's pages are interlinked in order to connect the user to related pages with additional information, and are categorized in a variety of ways, including Relativity, Notability, and Reliability to allow the user to prioritize his personalized perspective

The free, open-source, offline wiki application

WikiTaxi It's a portable application that delivers the Wikipedia of your choice to wherever you go. WikiTaxi enables you to read, search, and browse Wikipedia offline. No Internet connection is needed, all pages are stored in a WikiTaxi database. Because Wikipedia is constantly growing, WikiTaxi uses compression to make sure that the database stays reasonably small. The huge English Wikipedia easily fits on a 8 GB memory stick.

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

Encyclopedia.com – Online dictionary and encyclopedia with pictures, facts, and videos. Get information and homework help with millions of articles in our FREE, online library.

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

Through way of different “channels”, Boopsie lets you intelligently search for content or articles on sites like IMDB, Wikipedia, Amazon and more. When you use the application, you can pull up your favorite channel and then search for content on it and live results will appear on your screen for the content you selected.

Evopedia is an offline Wikipedia viewer.

Inquire by Tamper (formerly Curiosity by Tamper) is the easiest way to discover and learn about the world around you. Using your location, trending topics, and other curated sections, Inquire brings you the most interesting and relevant articles using Wikipedia’s extensive and reliable collection.

Okawix lets you download the whole content of Wikipedia, with or without images, so that you can browse it offline:Okawix is available in 253 languages and includes sister projects of the Wikimedia Foundation (Wikisource, Wiktionary, Wikiquote, Wikibooks).

WikiExplorer is the most advanced Wikipedia reader app for Android devices, it presents Wikipedia articles in a clean and elegant interface, for your best reading experience.