Online Education Database: This database contains 200 online courses from big universities such as MIT, Tufts & Yale etc. you need not pay for tuition because they are completely free.Annenberg Learner: They provide free multimedia resources which help the teachers to improve their knowledge on their subject. The teachers are supported through the distribution of educational videos and printed materials.
Webcasts at UC Berkeley: UC Berkeley provides webcasts in order to make their lectures available for the learners around the world. It was started on 2001 from then till now it has made over 16,000 hours of content available on the website.
University of the People: University of people is a non-profit institution which provides online education to individuals all over the world for free. A very nominal fee is charged as processing fees for application and for exam processing.
Open Culture: Open culture is a website which is mainly focused on educational materials collected from other websites. Here you can find various courses across the web, for example if you are interested in learning artificial intelligence here you could find different courses on artificial intelligence and different universities providing them.
GCFLearnFree: They provide innovative and quality online learning material for free for over 750 different lessons