| AIDA | ⊕ 1980 | ⊕ Germany | intermediate representation language for Ada | ||
| CIP-L | ⊕ 1980 | ↓ ↑ ⊕ Specialised Languages | ⊕ Definition languages | ⊕ Germany | |
| Conceptual schema language II | ⊕ 1980 | ⊕ Germany | |||
| CONLAN | ⊕ 1980 | ⊕ Germany | Hardware description language | ||
| EUMEL | ⊕ 1980 | ⊕ Germany | |||
| OPTRAN | ⊕ 1980 | ⊕ Germany | |||
| Pascal/R | ⊕ 1980 | ↓ ↑ ⊕ Multi-purpose | ⊕ Pascals | ⊕ Germany |