IntelliJ IDEA – a development environment of the software focused on the performance and concentration of a developer on the important tasks. IntelliJ IDEA is able to analyze the written code that allows you to select the most relevant variations for the autocomplete and different methods to solve the problems in case of mistakes. The software contains the built-in editors for most of the programming languages. IntelliJ IDEA supports the most common frameworks such as Java EE, Spring, Grails, Play, Android, GWT, Vaadin, etc. The software works with the deployed user databases and is compatible with other version management systems. IntelliJ IDEA also contains the tools to develop the user’s graphical interfaces.