I have used Zorb's Foundation for all of my projects, just because of the responsive layout. Should I bother "porting" them to Bootstrap or is there no real ad

I have used Zorb's Foundation for all of my projects, just because of the responsive layout. Should I bother "porting" them to Bootstrap or is there no real advantage? I still am reluctant to move to Bootstrap, but due to its popularity I think it will get more updates and will attract more people willing to improve it ...