| BETA | 1975 | Multi-purpose | Simple | Norway | Object oriented language |
| BrouHaHa | 1987 | Specialised Languages | Simple | United States | Smalltalk portable implementation |
| Eiffel | 1986 | Specialised Languages | Simple | France | Class-based object oriented C |
| Smalltalk | 1971 | Simple | United States | ||
| Smalltalk-72 | 1972 | Simple | United States | ||
| Smalltalk-74 | 1974 | Simple | United States |