Cost / License
- Free
- Open Source (GPL-3.0)
Platforms
- Online


Apps similar to Oppia include Wikipedia, which is free and open source. Other options are Khan Academy, Ibis Wiki, Foam and Nuclino. Learning Management Systems like Oppia are a crowded field, with more than 50 alternatives for the web, Android, iPhone, Windows and iPad.


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.



Panthrisk is a real-time, AI-driven platform that tracks and visualizes humanity’s most critical existential risks — including nuclear war, AI, climate change, pandemics, misinformation, and unknown threats.

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



Alchetron.com is a free social encyclopedia for world where you can create, organize and learn easily using topics.
With Alchetron you can search & share thousands of organized topics which can be biographies, free courses for students etc.



OLAT (Online Learning And Training) offers a flexible online course system along with extensive features to guarantee learning and teaching independent of time and place. It has been created especially for public institutions such as universities, academies or colleges, but it...
Stubia is a mobile encyclopedia that limits each article to 160 characters: this limitation makes each topic easy to understand.


Historically, the community has aligned around a single project, the Sakai Collaboration and Learning Environment (CLE). This project has also drawn in the Open Source Portfolio (OSP), including it in the Sakai CLE.
Infoplease is a reference and learning site, combining the contents of an encyclopedia, a dictionary, an atlas and several almanacs loaded with statistics, facts, and historical records. Our editors regularly update and refine this enormous body of information—as well as adding...

ILIAS is a powerful and flexible tool for learning and collaborating online. It serves as a knowledge and collaboration platform. ILIAS is not restricted to any particular didactical model but instead supports a variety of uses and methods.
The Fronter learning platform has a wide range of integrations and tools to encourage personalized and technology-driven education, whether you want to flip the classroom or implement project-based learning.??




Originally developed at MIT, .LRN claims to be the most widely adopted enterprise class open source Learning Management System solution.