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AnyChart
AnyChart is a lightweight and robust JavaScript charting solution with great API and documentation. The chart types and unique features are numerous, the library works easily with any development stack.
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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.
Using JavaScript charting libraries is an absolute game-changer when it comes to creating stunning interactive visualizations. Luckily, you don't need to be a technical wizard to use them. For this tutorial, we'll be working with AnyChart, which has detailed documentation (e.g., candlestick here and stock candlestick here), and does not require a fee for non-commercial use.