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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.
I've been using VSTools: https://github.com/morris/vstools a really nice tool I found while looking for people who have deconstructed the game. In the browser version: https://morris.github.io/vstools/ if you have a copy of the game you can browse the files with it and with some homework on http://datacrystal.romhacking.net/wiki/Vagrant_Story you can load levels and models. you can turn on/off textures, vertex shading, wireframes, other cool stuff too. it's what im using to capture images of the maps as well.