| ALC | 1988 | Germany | |||
| BACK | 1988 | Specialised Languages | Frame languages | Germany | Frame language |
| DBPL | 1988 | Germany | |||
| GDL | 1988 | Specialised Languages | Germany | ||
| GSI NODAL | 1988 | Generation of JOSS II | Germany | NODAL variant at the Gesellschaft für Schwerionenforschung | |
| Pilot Plus | 1988 | String and List Processing | CAI languages | Germany | Computer aided instruction language |
| SEPIA | 1988 | Germany | |||
| TooL | 1988 | Business Data Processing | Germany |