Jspx live demo is a Google App Engine project that is hosted on Google App spot. Jspx is working just fine on Google App Engine. Some features are not supported like (Captcha, DataTable) because of the restriction on JDK classes like java.awt.* and the non-structural DB that app engine is using. However the rest of the functionalities are working. There are more three demos you can download and run yourself on your own favorite web/app server from demo apps section
Launch Jspx Live Demo »The live demo includes the following examples:
jspx