Vaadin is a server-side AJAX web application development framework that enables developers to build

high-quality user interfaces with Java. It provides a library of ready-to-use user interface components and

a clean framework for creating your own components.The focus is on ease-of-use, re-usability, extensibility,

and meeting the requirements of large enterprise applications. Vaadin has been used in production since

2001 and it has proven to be suitable for building demanding business applications.

Marko Grönroos is a professional writer and software developer working at Vaadin Ltd in Turku,

Finland. He has been involved in web application development since 1994 and has worked on

several application development frameworks in C, C++, and Java. He has been active in many

open source software projects and holds an M.Sc. degree in Computer Science from the University

of Turku.