"ParcPlace VisualWorks Smalltalk emulates all the supported operating systems GUIs in Smalltalk … Digitalk (now ParcPlace) Visual Smalltalk uses

"ParcPlace VisualWorks Smalltalk emulates all the supported operating systems GUIs in Smalltalk … Digitalk (now ParcPlace) Visual Smalltalk uses more of the underlying operating system GUI, for better performance but at the price of only supporting a common subset of GUI controls … IBM Smalltalk maps the Motif GUI widgets onto the underlying operating system widgets.This means you get a very rich kit to build your GUI, but the widgets operate at near native speed. You have the best of both worlds." p87 "VisualAge for Smalltalk" 1997 http://www.redbooks.ibm.com/redbooks/4instantiations/sg244828.pdf http://www.redbooks.ibm.com/redbooks/4instantiations/sg24482... aka What's the difference between Swing and SWT,