Alternatives to Oppia for all platforms with any license

Wikipedia

Wikipedia is a free, multilingual encyclopedia project supported by the non-profit Wikimedia Foundation. Wikipedia has 17 million articles (3.5 million in English)...
- Totally not the same thing. Oppia is meant for courses/tutorials Guest • Jun 2018
Free Open Source Web Android iPhone Blackberry Android Tablet ... iPad Kindle Fire MediaWiki
Multiple languages Ad-free IFTTT integration User generated ... Wordpress integration CrowdSourced Wiki Community based HTTPS Support Sample packs WYSIWYG Support Add a feature

1422 Like
Moodle

Moodle is an open source tool for creating online dynamic web sites for their students. To work, it needs to be installed on a web server somewhere, either on one of...

Free Open Source Mac Windows Linux Web Android ... iPhone Windows S Android Tablet iPad
Education Extensible by Plugins/Extensions PHP IDE Add a feature

67 Like
Nuclino

Nuclino is the easiest way to organize and share knowledge in teams. Create real-time collaborative documents and connect them instantly like a wiki. Use the tree...

Freemium $ $ $ Mac Windows Linux Web Android ... iPhone Chrome OS iPad
Real time collaboration Mind Map view WYSIWYG Support Kanban boards ... Lightweight MarkDown support Internal links Hierarchical structure Wiki-like interface Graph view Infinite hierarchical depth Minimalistic Team Collaboration Full text search Tree view Drag n drop Built-in editor Collaborative writing Knowledge base Knowledge Management Living documentation Notetaking Online collaboration Real time collaboration Share content Visual Editing Visual Organization Wiki Add a feature

88 Like
Wikiversity

Wikiversity is a Wikimedia Foundation project devoted to learning resources, learning projects, and research for use in all levels, types, and styles of education from...

Free Open Source Web
Education Wiki Add a feature

38 Like
Everipedia

Everipedia removed some of the more annoying aspects of Wikipedia and created a site that is much easier to use. Notability requirements are eliminated and citations /...

Free Mac Windows Linux Android iPhone ... iPad
CrowdSourced Education User generated Wiki Add a feature

58 Like
FANDOM

FANDOM is a community-based service that allows anyone to create a wiki on virtually any subject. Discover, share and add your knowledge! Wikia is financed by...
- Oppia is not really anything like a wiki. It's closer to Udemy than anything Guest • Jun 2018
Free Web
Wiki documentation Wiki Add a feature

60 Like
Infogalactic

"The planetary knowledge core" is free of censorship, unlike Wikipedia, and while there may be more alt-right users, there are lefties, libertarians, Greens...
- Warning
  The articles are not accurate, out of date and politically spun.
Free Open Source Web
No features added Add a feature

27 Like
Miraheze

Miraheze is a wiki farm (hosts wikis) for free and with no ads, it also provides custom domains, extensions and many other features.

Free Open Source Web
Ad-free User generated Community based Custom domain ... Visual Editing Wiki Add a feature

13 Like
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Wikiwand

Like you, we're huge Wikipedia fans! In fact, who isn't? Wikipedia is the greatest curator of human knowledge, allowing people all around the world to freely...

Free Web iPhone Vivaldi Browser Chrome Safari ... Opera Chromium Firefox
UI Design Add a feature

17 Like
Metacademy

Metacademy - a free open source platform for efficient, personalized learning.

Free Open Source Web
Community based Knowledge base Add a feature

12 Like