The aim of this paper is to identify what the concept of e-learning involves and what tools are used for e-learning. It will also be explored how much the teachers are familiar with Web 2.0 tools and whether they are using them in their education, as well as how much they have been assisting in teaching. The first part of the paper gives the definition of elearning, showing the history of e-learning, as well as the advantages and disadvantages of e-learning. E-learning1.0, e-learning 2.0 and e-learning 3.0 are explained and evolution of Web is shown, from Web 1.0 to Web 5.0. The emphasis will be on Web 2.0 e-learning tools and their basic features. MOOC (Massive Open Online Course) will be explain in more detail. After that, Web 2.0 tools used in teaching will be described: Prezi, Edmodo, Hot Potatoes, Socrative, Draw.io, Glogster, Powtoon, Kahoot! Each will be defined, explained and presented, given that the advantages and disadvantages will be clearly analyzed. The theoretical part will discuss the importance of using Web 2.0 tools in teaching, both for students and teachers. The practical part of this paper involves exploring how familiar teachers are with certain tools.