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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.
If you have basic programming skills, adding NodeRED on top of homebridge (via the NodeRED addon, node-red-contrib-homebridge-automation) will give you a lot more automation power and flexibility (and it'll probably be more reliable than Apple's Home automation). The only catch is that all devices being controlled/monitored have to be accessed via homebridge -- devices connected directly to homekit are inaccessible. (Of course, the opposite isn't true. Homekit can access all homekit-only and homebridge devices.)