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Pro Windows UI framework
The Windows framework, called VCL, wraps native WinAPI controls. It's far more powerful than something like MFC, including its visual design and the library of available first- and third-party controls.
Pro Cross-platform UI framework
FireMonkey (FMX) is a cross-platform UI framework, GPU-accelerated, supporting native controls on some platforms, and native feel everywhere else.
Pro Clang-based compilers
Pro Cross-platform targeting
Can build targeting Windows, iOS, macOS, and Android.
€1,719.00+ (or $1971.61+) (on 01/2019).