Free Pascal (aka FPK Pascal) is a 32 and 64 bit professional Pascal compiler. It can target multiple processor architectures: Intel x86, AMD64/x86-64, PowerPC, PowerPC64, SPARC, and ARM. Supported operating systems include Linux, FreeBSD, Haiku, Mac OS X/iOS/Darwin, DOS, Win32, Win64, WinCE, OS/2
... [More], MorphOS, Nintendo GBA, Nintendo DS, and Nintendo Wii.
See https://www.openhub.net/p/freepascal for statistics about just the compiler. [Less]