What are some alternatives?
When comparing Classpert and Hackr.io, you can also consider the following products
Class Central - Love to learn? Discover thousands of FREE online courses and MOOCs from top universities and companies on Class Central.
Geocities Site Builder - Share your abomination with the world
FutureLearn - Free online courses from top universities and cultural institutions
exercism - Download and solve practice problems in over 30 different languages.
CourseFinder - CourseFinder helps you find the course that’s right for you.
Codecademy - Learn the technical skills you need for the job you want. As leaders in online education and learning to code, we’ve taught over 45 million people using a tested curriculum and an interactive learning environment.