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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.
The most in-depth guide I’d say is the hitchhiker’s guide to the cataclysm, which is an item, enemy, trait and (kind of?) location browser. I say kind of because you can’t just look up “hospital” or “light industry” but it’ll tell you morphine spawns in a hospital, and a jackhammer will spawn in a light industry with x% chance. It also circumvents the issue of being outdated by basically using the source code (I think?) for item info. Idk how much this helps considering the original question, but might as well throw it out there