Vaadin Framework is described as 'Vaadin is a web application framework for Rich Internet Applications (RIA). In contrast to Javascript libraries and browser-plugin based solutions, it features a robust server-side architecture. This means that the largest part of the application logic runs securely on the' and is a Web Framework in the development category. There are more than 10 alternatives to Vaadin Framework for a variety of platforms, including Windows, Linux, Mac, Self-Hosted and Web-based apps. The best Vaadin Framework alternative is Ktor, which is both free and Open Source. Other great apps like Vaadin Framework are Jmix, Spring, Snice and Play!.