Smalltalk programming language family - How Old Today?

1

Dolphin_Smalltalk

1

IBM_VisualAge

1

Newspeak_(programming_language)

4

Etoys_(programming_language)

4

Gemstone_(database)

4

Pharo

4

Scratch_(programming_language)

4

Smalltalk

4

Squeak

4

VisualWorks