Udemy is an American open online course provider. It is a really big platform to study online. Most of the courses at Udemy are focused on professional adults and students. The ides of Udemy came in to being in May 2010 by Eren Bali, Gagan Biyani, and Oktay Caglar. The courses at Udemy are guaranteed and legitimate. Anyone can teach online classes or take online classes on Udemy. The courses at Udemy are designed in a really good way that they help them to learn or enhance a particular skill.