Browse subject categories to explore new topics or look for reference material for a course you are already studying.
Cost / License
- Free
- Proprietary
Platforms
- Online
Wikibooks is described as 'Wikimedia community for creating a free library of educational textbooks that anyone can edit' and is a very popular online education service in the news & books category. There are more than 25 alternatives to Wikibooks, not only websites but also apps for a variety of platforms, including iPhone, iPad, Android and Windows apps. The best Wikibooks alternative is Coursera, which is free. Other great sites and apps similar to Wikibooks are Wikiversity, Foam, edX and Nuclino.
Browse subject categories to explore new topics or look for reference material for a course you are already studying.
Community-driven catalog of learning resources. Links to resources are organized by topics (broad to specific) and rated/reviewed by users so you see which ones are the best. It's free and open for everyone.




Pocket Scholar is a science-learning platform centered around breaking down complicated science topics into smaller chunks that makes them easier to understand. We believe in a future where everyone has access to high quality, college level content that they actually can...



Search thousands of free and paid K-12 resources (apps, books, online courses, YouTube videos, whatever!) to find the right one for you, your kids, and your budget.




People best placed to offer a new perspective on technologies are peers like you. Share your knowledge by easily creating practical tutorials, and showcase them to anyone interested.
Open Learning Initiative - Dedicated to improving higher education by supplying online interactive instruction supported by learning research.
Engineer4Free is a tutorial site where anyone can learn university level engineering for free. Engineer4Free has made hundreds of YouTube tutorials and organized them into several courses ranging from Calculus to Project Management to Structural Analysis.
A million ways to learn, one place to discover, track and measure all of it. Get recognized for your skill, knowledge, and accomplishments with Degreed.



If you're a student and not sure how to reach that extra mile when in college, collegestash.info would be a great recommendation. It curated 200+ awesome tools and all of them are FREE. Increase your productivity at every stage of student life from test preparation, finding...




InfoBooks is a website dedicated to providing access to a wide range of free books where users can read and download books legally. Our mission is to encourage reading and self-learning, facilitating the distribution of education so that each visitor finds the book they need...
Quick Code is a collection of free online tutorials and video courses to learn programming languages, big data, web, mobile, chatbot, database management, data science, cryptocurrency and more.