CodeHS is a coding education platform with an LMS, various curricula and IDE sandboxes, and more. There's a free version, or you can pay for more features (like a built-in gradebook).
An online interactive resource for high school students learning about computer science.
Open source
This project is completely open source and available on GitHub.
Makeblock started with the aim of helping people turn their ideas into real objects. With the power of innovation and technology, Makeblock allows more people to enjoy creating and have fun. Makeblock Company consists of multiple brands, including MakeX, Makeblock, and the newly established Makeblock Education. Each one of these divisions it built on the foundation of affordable hardware, intuitive software, and the desire to educate children around the world.
Our mission is to empower teachers with a continuum of solutions to make Computer Science and STEAM education engaging and accessible to all. Makeblock Education strives to deliver solutions that foster a growth mindset in the next generation of problem solvers by developing 21st century skills in students around the world.
Products include mBlock, a one-stop coding platform tailored to coding education, as well as robots like mTiny Discover, mBot2, Codey Rocky, and more.