Implementações

Smalltalk-80 e ANSI Smalltalk

Squeak

VisualWorks

VisualAge

Dolphin

Smalltalk MT

Smalltalk V

Smalltalk/X

Object Studio

Pocket Smalltalk

GNU Smalltalk

Little Smalltalk

SmalltalkAgents

StrongTalk

Bistro

Tektronics 4404

Apple Smalltalk

Concurrent Smalltalk (Japão)

Smalltalk-72

Smalltalk-74

Smalltalk-76

Smalltalk-78

Self

Stanford/Sun

tinySelf

JSelf

OpenSelf

Outros

Slate

SmallScript ou S#

FScript

Concurrent Smalltalk (J-machine no MIT)