| C+@ | ⊕ 1991 | ↓ ↑ ⊕ Multi-purpose | ⊕ United States | Simplified C | |
| CECIL | ⊕ 1991 | ↓ ↑ ⊕ Multi-purpose | ⊕ Prototyping | ⊕ United States | Prototyped OOL |
| DEL | ⊕ 1991 | ↓ ↑ ⊕ Multi-purpose | ⊕ Brazil | Data Entry Language | |
| Eiffel/S | ⊕ 1991 | ↓ ↑ ⊕ Multi-purpose | ⊕ Germany | SIG Eiffel | |
| FLEX | ⊕ 1991 | ↓ ↑ ⊕ Multi-purpose | ⊕ United States | Dynamic real-time language | |
| Modula SC | ⊕ 1991 | ↓ ↑ ⊕ Multi-purpose | ⊕ Switzerland | Modula 2 with Scientific Ccomputing extensions | |
| PARIS | ⊕ 1991 | ↓ ↑ ⊕ Multi-purpose | ⊕ Pascals | ⊕ Russian Federation | Siberian parallel Pascal |
| Pascal-Linda | ⊕ 1991 | ↓ ↑ ⊕ Multi-purpose | ⊕ Pascals | ⊕ United Kingdom | |
| Pascal-XSC | ⊕ 1991 | ↓ ↑ ⊕ Multi-purpose | ⊕ Pascals | ⊕ Germany | |
| Self-91 | ⊕ 1991 | ↓ ↑ ⊕ Multi-purpose | ⊕ United States | Instance-based OO Language | |
| Zuse | ⊕ 1991 | ↓ ↑ ⊕ Multi-purpose | ⊕ Pascals | ⊕ Sweden |