* RAP lets you develop modern web UIs with a real widget toolkit with SWT API, which includes powerful features like drag & drop, loading data on demand, inline editing, and drawing. * RAP runs in all relevant web browsers, without any add-ons required. Many advanced features like gradients are rendered even in browsers without CSS3 support. * RAP uses standard servlet technology and runs on any JEE servlet container. It integrates well with OSGi, but can also be used stand-alone. * RAP applications are written in Java, and you have the full power of Eclipse's development tools at hand. * With RAP, you can re-use your code for different target platforms. Even code that has been written for Eclipse RCP can run in a web browser.

* It is fun to use and easy to setup. * It is an open source framework that supports Python programming. * It has no database abstraction layer because it is a micro framework. * Contains development server and debugger * Integrated support for unit testing