Там, скорее всего, нет (на данный момент):
На странице :
It is a pure-VCL/CLX control, meaning it is not a wrapper for Microsoft Windows
controls and so no run-time library is required.
CLX или Component Library for Cross Platform - это кросс-платформенный эквивалент библиотеки виджета VCL - Borland.
Из Nakeymonkey - собственные элементы управления для firemonkey
With the VCL, Borland never had to worry about all of this because they just wrote a wrapper around the Windows API Rich Edit control. So why didn’t Embarcadero do the same thing with Firemonkey? Because Firemonkey also needs to compile for OS X and the Windows API Rich Edit control doesn’t exist there.
Ссылки:
vg_synedit.pas
можно найти здесь ksdev.com/mplfiles