| CAS1 | ⊕ 1983 | ⊕ China | |||
| CDL | ⊕ 1983 | ||||
| Electre | ⊕ 1983 | ⊕ France | |||
| FFP with streams | ⊕ 1983 | ⊕ Japan | |||
| FORTH 83 | ⊕ 1983 | ⊕ United States | |||
| Iota | ⊕ 1983 | ⊕ Japan | |||
| KRYPTON | ⊕ 1983 | ⊕ United States | |||
| LTR2 | ⊕ 1983 | ⊕ France | Langage Temps-Réel | ||
| LUKKO | ⊕ 1983 | ⊕ Finland | Finnish abstraction microprogramming language | ||
| Nano-2 | ⊕ 1983 | ⊕ Japan | |||
| Parlog | ⊕ 1983 | ⊕ United Kingdom | |||
| SCHEMAL | ⊕ 1983 | ⊕ United Kingdom | |||
| Snocone | ⊕ 1983 | ⊕ United States | |||
| SOLO | ⊕ 1983 | ⊕ United Kingdom | |||
| SPADOC | ⊕ 1983 | ||||
| tcsh | ⊕ 1983 | ⊕ United States | |||
| UTOPIST | ⊕ 1983 | ⊕ Estonia |