jole writes: "With the X Window System, your user interface code runs on the server and the terminal is fairly dummy. Vaadin }> tries to bring back this programming paradigm for Java EE and RIA. Development is done in pure server-side Java — no Ajax-programming is needed. On the user side any modern web browser will do — no plugins are needed. As the framework is released with Apache license, it should get quite a lot of attention from commercial application developers."