| PIT | ⊕ 1958 | ↓ ↑ ⊕ Specialised Languages | ⊕ Intermediate languages and VMs | ⊕ United States | Intermediate language for Internal Translator |
| SPIT | ⊕ 1958 | ↓ ↑ ⊕ Excluded from Sammet | ⊕ Intermediate languages and VMs | ⊕ United States | Intermediate language for IT |
| UNCOL | ⊕ 1958 | ↓ ↑ ⊕ Multi-purpose | ⊕ Intermediate languages and VMs | ⊕ United States | Proposed universal intermediate language |