Academic Earth ; Free video lecturesand courses from the world's top scholars

Academic Earth is an online repertoire of lectures and courses recorded in videos and organized into different categories .These courses and lectures are recorded from the most reputed American universities such as ; Yale, MIT, Berkeley , Harvard , Princeton,and Standford . Academic Earth has one goal which is  that of bringing the best content together in one place and create an environment in which that content is remarkably easy to use and where user contributions make existing content increasingly valuable.

Some features of Academic Earth

Here is a list of features that Academic Earth offers to its users ;

• It is completely free
• It requires a sing up if you want to create your own playlists and save your favorite videos
• You can download videos if the download option shows up
• It has an advanced search bar to search for videos you want
• It provides a playlist of videos
• You can also look for online degrees and certificates
• If you know an instructor by name and want to search for him then you can click on instructor button