Wikipedia is described as 'Free content, multilingual online encyclopedia written and maintained by a community of volunteers through a model of open collaboration, using a wiki-based editing system' and is a leading Encyclopedia in the education & reference category. There are more than 50 alternatives to Wikipedia for a variety of platforms, including Web-based, Android, iPad, Linux and iPhone apps. The best Wikipedia alternative is Encyclopædia Britannica, which is free. Other great apps like Wikipedia are Kiwix, Scholarpedia, Grokipedia and WikiReader.
Oppia is a free, open-source learning platform. Full of interactive activities called 'explorations', Oppia helps curious minds learn and teach.
Almost everyone thinks Oppia is a great Wikipedia alternative.
Welcome to WikiIndex, a wiki of all wiki, wiki people, wiki software, wiki farms, and wiki ideas, a 'work in progress' founded in 2006.
Wikipedia, better than ever—on iPhone, iPad, and Apple Watch. Discover the world and enjoy beautiful typography with this sleek app.
WikiLinks provides a fun and engaging experience of Wikipedia content through a brilliantly designed, mind-mapping interface. Browse articles with full video content and see linked articles in a navigable mind-map, tapping and holding for a quick preview.
LibreGameWiki the free gaming encyclopedia for games developed as open source and using open media.
Saves Wikipedia articles that are marked for deletion; allows articles on anything and everything.
Google Arts & Culture is an exploration into art and culture featuring collections from around the world and throughout time. Delve into the lives and masterpieces of classic artists like Rembrandt and Leonardo da Vinci, experience French culture of the 1800s through the...
IFDB is a Wiki-style community project: members can add new game listings, write reviews, exchange game recommendations, and more.
Online dictionary and encyclopedia with pictures, facts, and videos. Get information and homework help with millions of articles in our free, online library.
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It's like code academy and Khan academy