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GoodSync 2Go (Windows) 
Portable version of GoodSync that runs off the USB key or any portable drive. Subject to limitations, because it is not an installed program.
Windows XP Vista 7 8 10 11
GoodSync 2Go (Mac) 
Portable version of GoodSync that runs off the USB key or any portable drive. Subject to limitations, because it is not an installed program.
Mac OSX 10.13 and up
(64-bit Intel)
