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Konva
Konva.js is an HTML5 Canvas JavaScript framework that extends the 2d context by enabling canvas interactivity for desktop and mobile applications.
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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.
Both Fabric.js and Konva should be able to help you with this requirement, if you're happy with a canvas-based solution. If you prefer SVG then you could use something like SVG.js
Both Fabric.js and Konva should be able to help you with this requirement, if you're happy with a canvas-based solution. If you prefer SVG then you could use something like SVG.js