| ASF | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | ⊕ Netherlands | Algebraic Specification Formalism | |
| BEGL | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | ⊕ Germany | ||
| Concurrent Aggregates | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | ||
| DFC | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | ⊕ Netherlands | Dataflow language for supercomputers | |
| DFC II | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | ⊕ Japan | Dataflow language for supercomputers | |
| DISC | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | ⊕ CPL, BCPL and B | ⊕ Italy | DIStributed C |
| Eclipse | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | ⊕ RETE and production | ⊕ United States | Extended CLIPS |
| EDL | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | ⊕ Experiment control and recording | ||
| Estelle | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | |||
| Facile | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | ⊕ Lazy Evaluation FPs | ⊕ United States | SML with CCS style processes |
| GAL | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | ⊕ United Kingdom | Graphical equivalent of Pascal | |
| GRASP/Ada | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | ⊕ 2-D Graphic Languages | ⊕ United States | Graphical language for creating Ada |
| LISP-STAT | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | ⊕ Statistical | ⊕ United States | Stats system in lisp |
| LLD | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | KR Language for law | |
| Maisie | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | C concurrency extension | |
| MODSIM II | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | Object-oriented modular language for discrete simulation | |
| Modula Plus | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | ⊕ Canada | ||
| OPAL | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | ⊕ DSP | ⊕ United States | |
| Paralation C | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | ⊕ CPL, BCPL and B | ⊕ United States | |
| Parallaxis | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | ⊕ Germany | ||
| PARKA | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | ⊕ Frame languages | ⊕ United States | |
| PARMENIDES | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | ⊕ Frame languages | ⊕ United States | |
| PEARL 90 | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | ⊕ Assemblers | ⊕ Germany | |
| Prolog-Linda | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | ⊕ Horn clause | ⊕ Australia | |
| SIMAN III | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | ||
| THEO | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | ⊕ Frame languages | ⊕ United States | Learning frame language |
| VIF | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | ||
| XLISP-STAT | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | ⊕ Statistical | ⊕ United States | Externsions to XLisp for statistics |