[glonq]

Once upon a time there was a fork called 'gimpshop' that added a PS-like UI to gimp. Clever idea. Warning - the current gimpshop domain hosts some scammer's adware-laden rip-off.

[DoktorDelta]

There's a recent alternative called PhotoGIMP that is trying to accomplish the same thing, not sure if it's based on the original GIMPshop.