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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 server. Google Web Toolkit (GWT) is used on the browser side to ensure a rich and fluent user experience.
Vaadin is a large collection of UI components. You compose the application user interface from components such as Buttons, Tables, Trees and Layouts. The components use events, listeners and data binding to communicate with each other and with your business logic.
Vaadin is a robust architecture for rapid application development. The component-based architecture together with statically typed Java language and data binding features help you build applications that are easily modularized and refactored as needed. The IDE and tooling support including visual designing tool help you to build web user interface extremely fast.
full review »Vaadin is a good web framework. You don't need to think about HTML and JS. You build your apps like in Swing. However there are several drawbacks.
- Generated HTML and JS code is quite heavy for complex UIs. I ended up with changing some components to HTML labels and writing HTML by myself because of poor application performance. Application worked ok on Opera nad Chrome but Firefox was slowing down.
- Creating new components is quite hard. You have to recompile GWT widgetsets etc.
- You won't have a save-and-refresh workflow like with JSF or Tapestry.
But still Vaadin is one of the best component-based web framework along with ZK and GWT.
full review »One of the best framework I've used in the past years, with a very responsive support team !! Hats off !!
full review »The best AJAX based web framework ever ;) Easy to learn and use.
Vaadin is GWT-based framework so it is very easy to integrate those two technologies. Vaadin have very good documentation and helpful community.
full review »Works great with Scala too, consider using the semi-official Scaladin plugin.
