| CIEL | ⊕ 1988 | ⊕ France | |||
| CO2 | ⊕ 1988 | ↓ ↑ ⊕ Business Data Processing | ⊕ France | Object-oriented database language | |
| DeBuMa | ⊕ 1988 | ⊕ France | |||
| O2 | ⊕ 1988 | ⊕ France | Object-oriented database language | ||
| RDL1 | ⊕ 1988 | ↓ ↑ ⊕ Specialised Languages | ⊕ RETE and production | ⊕ France | |
| SCOOP | ⊕ 1988 | ↓ ↑ ⊕ Specialised Languages | ⊕ Horn clause | ⊕ France |