Spring Boot comes with over 40 different starter modules, which provide ready-to-use integration libraries for many different frameworks, such as database connections that are both relational and NoSQL, web services, social network integration, monitoring libraries, logging, template rendering, and the list just keeps going on. While it is not practically feasible to cover every single one of these components, we will go over the important and popular ones to get an idea of the possibilities and the ease of application development that Spring Boot provides us with.