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B78XH
B78XH is an open source and free modification of default Boeing 787-10 in Microsoft Flight Simulator.
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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 default 787 really isn't great, there's some free mods that get it better https://github.com/Heavy-Division/B78XH but it's still not up to being a 60 dollar tier model for functionality. If a nice 787 is what you're looking for and doesn't need to be MSFS QualityWings does a nice one for P3D and FSX, they add working on porting it to MSFS but when that'll be released is currently unknown.