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.
surveyjs.io
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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.
https://hn.algolia.com/?dateRange=all&page=0&prefix=true&que...
I expect that's a pretty heavy undercount as they've not pursued open-source. That's disappointing to me and I agree they missed out on a lot; I think those two are strongly connected. But also he kept his business afloat and did crazy (good) science on the side.
Did find this though. Looks neat!
https://github.com/FeynCalc/feyncalc
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