| BASE | ⊕ 1967 | ↓ ↑ ⊕ Multi-purpose | ⊕ Intermediate languages and VMs | ⊕ United States | Intermediate language for multiple-language compiler |
| Sictran | ⊕ 1967 | ↓ ↑ ⊕ Specialised Languages | ⊕ Intermediate languages and VMs | ⊕ United Kingdom | Machine independent assembler |