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)...

Free Open Source Web Android iPhone Blackberry Android Tablet ... iPad Kindle Fire MediaWiki
Ad-free HTTPS Support IFTTT integration Multiple languages ... User generated Add a feature

1328 Like
- Totally not the same thing. Oppia is meant for courses/tutorials Guest • Jun 2018
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 Web
Extensible by Plugins/Extensions PHP IDE Add a feature

49 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...

Free Web
Own wiki Add a feature

54 Like
- Oppia is not really anything like a wiki. It's closer to Udemy than anything Guest • Jun 2018
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 Minimalistic WYSIWYG Support Collaborative writing ... Knowledge base Lightweight MarkDown support Mind Map view Real time collaboration Team Collaboration Add a feature

54 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
No features added Add a feature

24 Like
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 Chrome Safari Firefox
No features added Add a feature

15 Like
Infogalactic

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...

Free Web
No features added Add a feature

18 Like
- Warning The articles are not accurate, out of date and politically spun.
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 User generated Add a feature

48 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 Add a feature

9 Like
Reference.com

Reference.com offers a massive online dictionary, thesaurus, encyclopedia, quote finder, and translator (powered by Google Translate)- all for free. For the...

Free Web
No features added Add a feature

22 Like
Encyclopædia Britannica

The Encyclopædia Britannica is a general English-language encyclopaedia published by Encyclopædia Britannica, Inc., a privately-held company. The articles in...

Commercial Mac Windows Web
No features added Add a feature

18 Like
WikiGalaxy

Explore wikipedia in 3d.

Free Web
Wikipedia integration Add a feature

7 Like
Metacademy

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

Free Open Source Web
Community based Knowledge base Add a feature

9 Like
Ancient History Encyclopedia

Ancient History Encyclopedia is a nonprofit company that aims to provide superior ancient history resources and information for free.

Free Web
No features added Add a feature

8 Like
Worldometers

Worldometers is run by an international team of developers, researchers, and volunteers with the goal of making world statistics available in a thought-provoking and...

Free Personal Mac Windows Linux Web Android ... Chrome OS Android Tablet
No features added Add a feature

3 Like