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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.
BTW, I looked through the source code of cardano-hw-cli and think that it wouldn't be too much work to get it to sign transactions that include minting. Just commenting out these lines and maybe altering a couple of others might even be sufficient, because the tool's witness function doesn't actually need to parse minting information when it signs the transaction (since the signature is applied to the unparsed CBOR for the whole transaction body, not to the parsed representation).