With Amatata you can add an effective interactive tool to a site with a single JS line. Amatata components:

framework for fast dialog development hosting for interactive dialogs interfaces for work with incoming data

Interactive dialog is a small block that is loaded by JavaScript and contains interactive widgets to interact with users (buttons, text input, etc.). Widgets are grouped into steps of the dialog, which follow each other. Dialogs are a very flexible and convenient method to interact with users, their scope of use is wide - reviews, tests, requests, product or service selection wizards, calculators.