At this point, we are fairly proficient with the Vaadin framework as all its concepts have been seen in the previous chapter. However, just the presentation layer is not enough in most applications.
In those cases, we will need to go beyond even advanced notions and integrate Vaadin with other third-party APIs and products, which have other responsibilities. In this chapter, we will look at some widespread or rising products which we will have to integrate with at one point or another. These are as follows: