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.
As far as actually implementing this, If I had to do it, I would probably use Leaflet for your front-end web mapping, Node.js for your back-end (using express to handle routing, and there is a library called geojson that lets you generate GeoJSON, but I've never personally used it). You could also accomplish this with relative ease using either PHP, Python or R.
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