Digitalk Smalltalk/V (1986) 4 OS2

Smalltalk/V was the first widely available version of Smalltalk. It was developed by Digitalk in 1986 for DOS, Macintosh, and later Windows.

• 1.x (OS/2)

IBM VisualAge Smalltalk (2000) 2 Windows OS2 Unix

VisualAge Smalltalk is a powerful application server and development environment based around the Smalltalk language.

• 5.5