1. A computer-implemented method comprising: receiving a form containing one or more input fields adapted to receive user input; identifying the input fields contained in the received form; providing a graphical user interface to enable selection and customization of one or more actions to be carried out in response to user submission of an instance of the form including data in at least one of the input fields to a server, wherein the graphical user interface displays the identified input fields and a plurality of selectable and customizable actions that are dependent upon the identified input fields or data input into the identified input fields upon user submission of an instance of the form; receiving the selection and customization of an action; automatically generating executable program code to carry out the selected and customized action; and storing the program code on the server that will process a user submission of the form.