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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.
There are already great libraries that provide abstractions and good patterns to speed up development some of these libraries are FAST, Lit, Custom Element Builder, etc...
Since Web Components are supported natively by browsers, they can be used in any libraries and frameworks either directly or with configurations. https://custom-elements-everywhere.com/ is a great site to check custom elements support status by different libraries and frameworks.