There are many different kinds of diagrams, and in order to understand how something is working, it is important to understand the information that is represented by them. That is why the world of ​​UML diagrams has grown in popularity with the rise of computer science, and today you can find a lot of tools and applications for them. If you are looking for one of them, the best option is PlantUML. It is an open source tool that allows you to create diagrams for many different purposes. The most common use is in the development process, but it also has a wide range of applications in other fields. It has the ability to create graphs and diagrams of many different types and formats.