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.
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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.
I can't give you a complete list, but hopefully this will help find what you're looking for: the approach that you describe is known as a "passwordless login", and it has been implemented in the past, e.g. in https://www.npmjs.com/package/passwordless (though the "magic link" is a popular name, too). The library itself has faded into obscurity, but it should be possible to find past discussions pertaining to your concerns.
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a more popular project.