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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.
My next idea is separating the recording utility from the UI and run the recording application through a local service on the host machine and implement an API for the UI to call to control the recording utility through websockets, but I had a lot of troubles maintaining full functionality of recording/stopping/downloading while deploying the program using either live-server and socket.io, and this is where I started to question my choices so far.