I stopped my choice on the designer of Diom, and for good reason.
-very usable and easy to configure and manage the Form Designer.
- it's very simple but at the same time, sufficiently functional dynamical interface will work with the forms easier and enjoyable.
- competently composed video tutorial allows even novice users to solve its task within a few minutes.
Confused a little trouble in adapting to non-English language. I knew how to deal with such matters.