| ABL | ⊕ 1963 | ↓ ↑ ⊕ Excluded from Sammet | 2G Autocodes | ⊕ United Kingdom | Atlas Basic Language |
| AUTOLOFT | ⊕ 1962 | ↓ ↑ ⊕ Specialised Languages | 2G Autocodes | ⊕ United States | NC Library design and manipulation language |
| CLEO | ⊕ 1963 | ↓ ↑ ⊕ Multi-purpose | 2G Autocodes | ⊕ United Kingdom | Autocode for EE LEO computers |
| EXCHLF | ⊕ 1966 | ↓ ↑ ⊕ Multi-purpose | 2G Autocodes | ⊕ United Kingdom | Extension of CHLF3 for ATLAS |