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.
Elements. Strictly speaking, this is a collectable card game (MtG style) rather than a true "deckbuilder" but otherwise it sounds exactly like what you are looking for. Heavy emphasis on creative out-of-match deckbuilding and one-off PvE matches. From what I can tell, I think the original game died with Flash, but it appears that fans created a substitute, which I haven't tried: https://etg.dek.im/
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