| ABSYS | ⊕ 1966 | ↓ ↑ ⊕ Specialised Languages | ⊕ Horn clause | ⊕ United Kingdom | Aberdeen system declarative language |
| ACT | ⊕ 1966 | ↓ ↑ ⊕ Experimental and other | ⊕ State transition tables | ⊕ United Kingdom | Automated Contingency Translator |
| APSE | ⊕ 1966 | ⊕ Differential Equations | ⊕ United Kingdom | Simulation system | |
| ASP-7 | ⊕ 1966 | ↓ ↑ ⊕ String and List Processing | ⊕ Map/Dictionary | ⊕ United Kingdom | ASP for the PDP-7 |
| ATLAS LISP | ⊕ 1966 | ↓ ↑ ⊕ String and List Processing | ⊕ Lazy Evaluation LISPs | ⊕ United Kingdom | LISP 1.5 for the ATLAS |
| BCL | ⊕ 1966 | ↓ ↑ ⊕ Business Data Processing | ⊕ Other DPLs | ⊕ United Kingdom | Commercial language for the Atlas |
| CAPS | ⊕ 1966 | ↓ ↑ ⊕ Specialised Languages | ⊕ CASE languages | ⊕ United Kingdom | CASE language |
| Colin conversational language | ⊕ 1966 | ↓ ↑ ⊕ On-Line | ⊕ Arithmetic | ⊕ United Kingdom | |
| COMPL | ⊕ 1966 | ⊕ COBOL coeval | ⊕ United Kingdom | ||
| CORAL 66 | ⊕ 1966 | ↓ ↑ ⊕ Multi-purpose | ⊕ Other UK historic languages | ⊕ United Kingdom | Realtime English military language |
| CRESTS | ⊕ 1966 | ↓ ↑ ⊕ Business Data Processing | ⊕ Decision tables | ⊕ United Kingdom | Courtaulds Rapid Extract, Sort and Tabulate System |
| CSL | ⊕ 1966 | ↓ ↑ ⊕ Specialised Languages | ⊕ Activity scanning | ⊕ United Kingdom | Control and Simulation Language |
| CSL 2 | ⊕ 1966 | ↓ ↑ ⊕ Specialised Languages | ⊕ Activity scanning | ⊕ United Kingdom | Version 2 of CSL |
| ECSL | ⊕ 1966 | ↓ ↑ ⊕ Specialised Languages | ⊕ Activity scanning | ⊕ United Kingdom | Extended Continuous Simulation Language |
| EXCHLF | ⊕ 1966 | ↓ ↑ ⊕ Multi-purpose | ⊕ 2G Autocodes | ⊕ United Kingdom | Extension of CHLF3 for ATLAS |
| FILETAB | ⊕ 1966 | ↓ ↑ ⊕ Business Data Processing | ⊕ Decision tables | ⊕ United Kingdom | Automatic FILE TABulator |
| IMP | ⊕ 1966 | ↓ ↑ ⊕ Multi-purpose | ⊕ 3G Autocodes | ⊕ United Kingdom | IMProved Autocode |
| ISWIM | ⊕ 1966 | ⊕ Other lambda | ⊕ United Kingdom | Landin's paper language | |
| KALDAS | ⊕ 1966 | ⊕ Analog | ⊕ United Kingdom | ||
| POP-1 | ⊕ 1966 | ↓ ↑ ⊕ String and List Processing | ⊕ Stack | ⊕ United Kingdom | |
| SAM | ⊕ 1966 | ↓ ↑ ⊕ Specialised Languages | ⊕ Expression oriented | ⊕ United Kingdom | Continuous Simulation Language |
| SLP | ⊕ 1966 | ↓ ↑ ⊕ String and List Processing | ⊕ List | ⊕ United Kingdom | simple list processing |
| XALT | ⊕ 1966 | ⊕ United Kingdom |