| ALDiSP | 1989 | Germany | |||
| BABYLON | 1989 | Frame languages | Germany | Expert system with frame language | |
| BEGL | 1989 | Specialised Languages | Germany | ||
| COLD | 1989 | Germany | |||
| FUF | 1989 | Germany | Functional Unification Formalism | ||
| LIDO | 1989 | Germany | |||
| MUNIN | 1989 | Germany | |||
| Parallaxis | 1989 | Specialised Languages | Germany | ||
| PEARL 90 | 1989 | Specialised Languages | Assemblers | Germany | |
| PROTOS-L | 1989 | Business Data Processing | Germany |