Our great sponsors
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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.
In order to display the GeoJSON features on a map, we will use OpenLayers, which is a very powerful open-source mapping library that is also very simple to use.
Inside the project repository, there are a few GeoJSON samples generated with the awesome GeoJSON editor here: geojson.io. This web application let's you create features by drawing on a map and the features are then immediately reflected in a GeoJSON format on the right side of the screen.