Khan Academy is not-for-profit with the goal of changing education for the better by providing a free world-class education to anyone anywhere.
Cost / License
- Free
- Proprietary
Application types
Platforms
- Online
- Android
- iPhone
- Android Tablet
- iPad




The best free alternative to Engineer4Free is Khan Academy. If that doesn't suit you, our users have ranked more than 25 alternatives to Engineer4Free and many of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to Engineer4Free are Coursera, edX, Wikiversity and Wikibooks.
Khan Academy is not-for-profit with the goal of changing education for the better by providing a free world-class education to anyone anywhere.




Global e-learning platform offering self-paced free and paid courses, certifications, and degrees from universities and industry leaders, accessible on any device, with language options, financial aid, interactive content, and workforce training support.




Provides online courses from leading global universities, offering flexible, convenient learning experiences. Focuses on integrating technology to transform both on-campus and worldwide education, offering both free and paid courses with certificate options.




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 pre-school to university, including professional training and informal learning.

Wikibooks is a Wikimedia community for creating a free library of educational textbooks that anyone can edit.

Open Yale Courses (OYC) provides free and open access to a selection of introductory courses taught by distinguished teachers and scholars at Yale University.
TED-Ed’s commitment to creating lessons worth sharing is an extension of TED’s mission of spreading great ideas. Within the growing TED-Ed video library, you will find carefully curated educational videos, many of which represent collaborations between talented educators and...

Interactive platform for acquiring Web3 skills via Missions—micro-tasks covering crypto topics—rewarding users with tokens, NFTs, and merchandise from crypto brands. Earn Bits to boost winning odds, create Missions, join Guilds, and benefit from referrals.



University of the People is the world’s first tuition-free, non-profit, online academic institution dedicated to opening access to higher education globally for all qualified individuals, despite financial, geographic or societal constraints.

The OpenCourseWare Consortium is a collaboration of higher education institutions and associated organizations from around the world creating a broad and deep body of open educational content using a shared model.

Take free Harvard online courses through Harvard Extension School's Open Learning Initiative. Course videos feature Harvard faculty.
Academic Earth offers free access to video courses and academic lectures from leading colleges and universities.
