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.
explains unfold 3d transforms, it may seem a bit boring compared to others, but when you think about what you can do with just css, it is so surprising https://rupl.github.io/unfold
flexbox froggy teaches flex theme in a very entertaining way with 24 different levels. (https://flexboxfroggy.com/)
grid garden teaches grid layouts with 28 different themes https://cssgridgarden.com/
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