= Vaadin =
 * '''Vaadin''' is an [http://en.wikipedia.org/wiki/Open_source open source] web application framework for [http://en.wikipedia.org/wiki/Rich_Internet_application rich Internet applications].
 * In addition, there are Eclipse and Netbeans plugins for easing the development of Vaadin applications as well as direct support (and distribution through) Maven.
 * Vaadin applications can be deployed  
   * as Java Servlets to any Java server, including [http://en.wikipedia.org/wiki/Google_App_Engine Google App Engine].
   * as Portlets to any Java portal, with deeper integration to [http://en.wikipedia.org/wiki/Liferay Liferay Portal].
   * '''Vaadin is a web application framework for Rich Internet Applications (RIA).'''
   * Vaadin is a large collection of UI components (button , table, tree)''''''
   * '''Vaadin is a robust architecture for rapid application development. '''''''''