Build and Run Dynamic JSON-based Forms and Surveys Right in Your App
...You can save your customized themes in JSON and reuse them across surveys.
You have total freedom as to the backend, as it integrates with any server and database. On the website, you can find integration examples for PHP, ASP.NETCore, and Node.js.
You can also convert your forms as editable PDF files, and visualize survey results using interactive charts and tables.
The website offers 200+ code examples and tutorials for all popular JS frameworks.