Sites and apps similar to CompSciLib include Khan Academy, which is free. Other options are Brilliant.org, MIT OpenCourseWare, IXL and Calcora - Practice Math Problems. In total there are nine Online Education Services like CompSciLib for iPhone, iPad, Android and self-hosting.
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.
United States
Brilliant.org, also known as Brilliant, is a website and associated community that features problems and courses in mathematics, physics, quantitative finance, and computer science.
United States
Since 2001, MIT OpenCourseWare has been creating new opportunities for millions of learners and educators, sharing Open Educational Resources (OER) from MIT and helping to lead a global revolution in free access to knowledge.
United States
IXL is an immersive K-12 learning experience that provides comprehensive, standards-aligned content for math, language arts, science, and social studies
United States
Calcora is a free platform for practicing olympiad-style math problems of all difficulty levels. Solve problems, maintain your streak, and compete with friends on the leaderboard.
Austria
EU
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.
Math explained in easy language, plus puzzles, games, worksheets and an illustrated dictionary. For K-12 kids, teachers and parents.
We are an online school helping thousands of individuals all over the world develop their skills and progress in their career.
Consiliae is an adaptive learning platform for mathematics built on a knowledge graph of interconnected concepts. A free knowledge scan pinpoints the exact concepts you're missing, then builds a personalized route from where you actually are to your learning goal.
France
