Collection of free online college courses from the world's top universities.

Universal access to the world’s best education, partnering with top universities and organizations to offer courses online.

Space for kids to learn and share new skills online. Similar to a virtual scouting troop, kids can complete challenges and post their projects on the site to earn badges like Bike Mechanic, Darkness Engineer, and Instrument Maker.

Take great online courses from the world's best universities

Free and social learning

Search engine for online courses