Alcamy - Free, open self-learning platform. Learn & teach anything.
EduDo - EduDo is a video discussion platform
Stacks - A bookshelf for your online courses
Sutle - Save and organize resources into a directed learning path.
Airschool - Airschool is a live-streaming educational platform with engagement and monetization tools to help anyone start teaching online. It can be finance, business, wellness, meditation, branding, marketing; in short, anything you want!
Golden - Mapping all human knowledge