...The program you create is published as HTML5 or REST service. All subprograms (look up's, ...) are published as HTML5 or. REST too. If you create batch program in PL/SQL you can use the same tool. All generated by RASD can be overwritten with using triggers (remember classical Forms).
The best thing is that the development cycle is really fast. The development process can be start with the business users (no or less documentation and no programming) with the combination of analytics or designers. In few minutes you can have working prototype for business users to discuss about their requirements.
...
openMyAdmin is a free CMS, established on the basis of recent trends in developing web applications such as AJAX, MVC and OOP. Basic principles of CMS: web desktop and modular structure.