PrimeFaces vs Vaadin: What are the differences?
What is PrimeFaces? *An open-source user interface component library *. It is a popular open source framework for JavaServer Faces featuring over 100 components, touch optimized mobilekit, client side validation, theme engine and more.
What is Vaadin? Components and tools for building web apps in Java. It is the fastest way to build web applications in Java. It automates the communication between your server and the browser and gives you a high-level component API for all Vaadin components.
PrimeFaces belongs to "Front-End Frameworks" category of the tech stack, while Vaadin can be primarily classified under "Frameworks (Full Stack)".