Vaadin - Web Framework to build Rich Internet Application

Vaadin is a Java framework for building modern web applications. It helps to create Rich Internet Applications faster. It has dozens of in-built UI component like Button, Tree etc which is event driven. Vaadin browser widgets is built on GWT and it support all Ajax-capable browsers.

Developers need to know only Java and no JavaScript or XML knowledge is required. It is integrated with Eclipse and Netbeans IDE. It runs on all popular Application servers.