| AKCL | ⊕ 1987 | ⊕ United States | |||
| ARK | ⊕ 1987 | ⊕ Reactive | Visual language | ||
| BORON | ⊕ 1987 | ⊕ United States | |||
| CAYLEY 4 | ⊕ 1987 | ⊕ Australia | |||
| CP | ⊕ 1987 | ⊕ Horn clause | Concurrent Prolog | ||
| Elegant | ⊕ 1987 | ⊕ Netherlands | Functional-like imperative language based on attribute grammars | ||
| G | ⊕ 1987 | ⊕ Japan | |||
| IDL | ⊕ 1987 | ⊕ United States | Interface Definition Language | ||
| LDL1 | ⊕ 1987 | ⊕ United States | |||
| Lean | ⊕ 1987 | ⊕ Netherlands | |||
| LIFE | ⊕ 1987 | ⊕ United States | |||
| MAGMA | ⊕ 1987 | ⊕ Australia | |||
| occam-T | ⊕ 1987 | ⊕ Australia | tasmanian safe occam dialect | ||
| ParaLog | ⊕ 1987 | ⊕ Brazil | |||
| PL/D | ⊕ 1987 | ⊕ United States | |||
| Pountain FORTH 2 | ⊕ 1987 | ⊕ United States | |||
| QUICHE | ⊕ 1987 | ⊕ United States | User-interface extension language | ||
| SPECIAL | ⊕ 1987 | ||||
| Strand | ⊕ 1987 | ⊕ United Kingdom | |||
| TempLog | ⊕ 1987 | ||||
| Tripod | ⊕ 1987 | ⊕ United States | |||
| Veth Data Description Language | ⊕ 1987 |