-
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.
Follow this link, scroll down to the "Applying a script (uBlock Origin) " section.
Setting it up currently is basically downloading the dev extension at https://github.com/AlyoshaVasilieva/luminous-ttv-ext/releases and pointing it at one of the URLs listed. Browsers are annoying about running dev extensions, though (basically need enterprise-y policy overrides), and I don't want to put the effort into figuring out how to get a better experience since it works for me.