| *Prolog | ⊕ 1989 | ↓ ↑ ⊕ String and List Processing | ⊕ Horn clause | ⊕ United States | |
| //ELLPACK | ⊕ 1989 | ↓ ↑ ⊕ Numerical Scientific | ⊕ Algebraic | ⊕ United States | Parallel version of ELLPACK |
| ACT++ | ⊕ 1989 | ⊕ United States | |||
| Ada++ | ⊕ 1989 | ⊕ United States | |||
| ADAM | ⊕ 1989 | ↓ ↑ ⊕ Business Data Processing | ⊕ United States | ||
| ADL | ⊕ 1989 | ⊕ United States | Ada Development Language | ||
| Aldat | ⊕ 1989 | ↓ ↑ ⊕ Business Data Processing | ⊕ Information algebra | ⊕ United States | Database language, based on extended algebra |
| Aquarius Prolog | ⊕ 1989 | ↓ ↑ ⊕ String and List Processing | ⊕ Horn clause | ⊕ United States | High performance Prolog |
| BLAZE 2 | ⊕ 1989 | ↓ ↑ ⊕ Experimental and other | ⊕ United States | Object-oriented successor to BLAZE. | |
| CLASSIC | ⊕ 1989 | ⊕ United States | |||
| Classtalk | ⊕ 1989 | ⊕ United States | |||
| C-Linda | ⊕ 1989 | ⊕ United States | |||
| CLP(sigma*) | ⊕ 1989 | ⊕ United States | Constraint Logic Programming with Regular Sets | ||
| CLP* | ⊕ 1989 | ⊕ United States | Constraint Logic Programming with abstractions | ||
| Common Music | ⊕ 1989 | ⊕ United States | Musical composition language | ||
| Concurrent Aggregates | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | ||
| Crawford FORTH | ⊕ 1989 | ⊕ United States | |||
| cT | ⊕ 1989 | ⊕ United States | |||
| DAG | ⊕ 1989 | ⊕ United States | |||
| dBase 5 | ⊕ 1989 | ⊕ United States | |||
| dBase IV | ⊕ 1989 | ⊕ United States | |||
| DSM | ⊕ 1989 | ⊕ United States | Data Structure Manager | ||
| E | ⊕ 1989 | ↓ ↑ ⊕ Experimental and other | ⊕ United States | C++ persistent dialect with data types | |
| Eclipse | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | ⊕ RETE and production | ⊕ United States | Extended CLIPS |
| EqL | ⊕ 1989 | ⊕ United States | |||
| Facile | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | ⊕ Lazy Evaluation FPs | ⊕ United States | SML with CCS style processes |
| FLO | ⊕ 1989 | ⊕ United States | Flowchart preprocessor for PIC | ||
| Forms/2 | ⊕ 1989 | ⊕ United States | |||
| FX-89 | ⊕ 1989 | ⊕ United States | Scheme dialect allowing side-effects | ||
| GRASP/Ada | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | ⊕ 2-D Graphic Languages | ⊕ United States | Graphical language for creating Ada |
| GROFF | ⊕ 1989 | ↓ ↑ ⊕ String and List Processing | ⊕ United States | GNU's ROFF | |
| HGPSS | ⊕ 1989 | ⊕ United States | |||
| HiLog | ⊕ 1989 | ⊕ United States | |||
| Id Nouveau extended | ⊕ 1989 | ⊕ United States | |||
| IFX | ⊕ 1989 | ⊕ United States | |||
| InTense | ⊕ 1989 | ⊕ United States | |||
| IO | ⊕ 1989 | ↓ ↑ ⊕ Multi-purpose | ⊕ United States | ||
| ISMLAB | ⊕ 1989 | ⊕ United States | |||
| jBC | ⊕ 1989 | ⊕ United States | |||
| Kaleidoscope | ⊕ 1989 | ⊕ United States | |||
| LISP-STAT | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | ⊕ Statistical | ⊕ United States | Stats system in lisp |
| LLD | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | KR Language for law | |
| LOGLisp | ⊕ 1989 | ↓ ↑ ⊕ String and List Processing | ⊕ Lazy Evaluation LISPs | ⊕ United States | Logic in LISP |
| LOTOS | ⊕ 1989 | ⊕ United States | Specification language based on temporal ordering | ||
| MACE | ⊕ 1989 | ⊕ United States | Multi-agent computing environment | ||
| Machiavelli | ⊕ 1989 | ⊕ United States | Fucntional database language | ||
| Macos | ⊕ 1989 | ⊕ United States | BBS scripted language | ||
| Maisie | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | C concurrency extension | |
| Matchmaker | ⊕ 1989 | ⊕ United States | |||
| MELD | ⊕ 1989 | ⊕ United States | |||
| MINION | ⊕ 1989 | ↓ ↑ ⊕ Numerical Scientific | ⊕ Algebraic | ⊕ United States | Algebraic workspace system |
| MIX | ⊕ 1989 | ⊕ United States | |||
| MODSIM II | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | Object-oriented modular language for discrete simulation | |
| Mul-T | ⊕ 1989 | ↓ ↑ ⊕ String and List Processing | ⊕ United States | Parallel T | |
| Multiparadigm Pseudocode | ⊕ 1989 | ⊕ United States | |||
| Ness | ⊕ 1989 | ⊕ United States | Embedded Language in Andrew Toolkit | ||
| NFQL | ⊕ 1989 | ⊕ United States | |||
| O++ | ⊕ 1989 | ⊕ United States | |||
| Ontic | ⊕ 1989 | ⊕ United States | |||
| OPAL | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | ⊕ DSP | ⊕ United States | |
| Paralation C | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | ⊕ CPL, BCPL and B | ⊕ United States | |
| PARKA | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | ⊕ Frame languages | ⊕ United States | |
| PARMENIDES | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | ⊕ Frame languages | ⊕ United States | |
| pcBESTOP | ⊕ 1989 | ↓ ↑ ⊕ Business Data Processing | ⊕ Report Generators | ⊕ United States | BESTOP language for pc |
| POP-9X | ⊕ 1989 | ⊕ United States | |||
| P-TAC | ⊕ 1989 | ⊕ United States | |||
| RAPs | ⊕ 1989 | ⊕ United States | |||
| Real-Time Mentat | ⊕ 1989 | ⊕ United States | |||
| ROBART 2 | ⊕ 1989 | ↓ ↑ ⊕ On-Line | ⊕ CAI languages | ⊕ United States | Dialogue contruction language |
| RT-CDL | ⊕ 1989 | ⊕ United States | |||
| SAX APL | ⊕ 1989 | ↓ ↑ ⊕ Experimental and other | ⊕ Array | ⊕ United States | Sharp APL eXtended |
| SIL | ⊕ 1989 | ↓ ↑ ⊕ Business Data Processing | ⊕ Ad hoc query languages | ⊕ United States | Data interchange language |
| SIMAN III | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | ||
| SP-Object | ⊕ 1989 | ⊕ United States | |||
| SUDAAN | ⊕ 1989 | ↓ ↑ ⊕ On-Line | ⊕ Statistical | ⊕ United States | |
| Themis | ⊕ 1989 | ⊕ United States | |||
| THEO | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | ⊕ Frame languages | ⊕ United States | Learning frame language |
| ThingLab II | ⊕ 1989 | ⊕ United States | |||
| TSL | ⊕ 1989 | ⊕ United States | |||
| UserTalk | ⊕ 1989 | ⊕ United States | |||
| VAL | ⊕ 1989 | ⊕ United States | |||
| VIF | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | ||
| XLISP-STAT | ⊕ 1989 | ↓ ↑ ⊕ Specialised Languages | ⊕ Statistical | ⊕ United States | Externsions to XLisp for statistics |
| XPC | ⊕ 1989 | ⊕ United States |