| ALGOSIM | ⊕ 1975 | ↓ ↑ ⊕ Specialised Languages | ⊕ Event scheduling | ⊕ United States | Algol 68 based simulation |
| Framework Simula | ⊕ 1975 | ↓ ↑ ⊕ Specialised Languages | ⊕ Event scheduling | ⊕ Canada | Simula with frameworks |
| Simon 75 | ⊕ 1975 | ↓ ↑ ⊕ Specialised Languages | ⊕ Event scheduling | ⊕ United Kingdom | GPSS based Simula dialect |