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!
CS183B - Startup Class - Stanford class taught by Sam Altman & guest speakers
Alcamy - Free, open self-learning platform. Learn & teach anything.
Stacks - A bookshelf for your online courses
GoBrunch - Cloud-based platform for creating and conducting webinars
Self-School - 500+ free courses from the web for you to start learning