-
SurveyJS
Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.
This isn't really accurate. Presuming you're using react-native-web [1] (the most popular version of RN targeting the web, although there are others), it's essentially just a set of components and APIs, fulfilling RN's API, which sit on top of React DOM.
So anything you could do in React.js, you can also do in RNWeb, as it's a superset of React.js.
Of course, you'd need to use the RN components if you want to share code between web and native mobile. But there's nothing stopping you reaching a high degree of code re-use, and/or using React.js components for the web-only portion of a RNWeb project.
[1] https://github.com/necolas/react-native-web