| APRIL | ⊕ 1977 | ⊕ United Kingdom | |||
| CONA | ⊕ 1977 | ↓ ↑ ⊕ On-Line | ⊕ True ALGOL60s | ⊕ United Kingdom | Conversational Algol |
| DPL | ⊕ 1977 | ↓ ↑ ⊕ Numerical Scientific | ⊕ Arithmetic | ⊕ United Kingdom | Mathematical interaction language |
| EDSIM | ⊕ 1977 | ↓ ↑ ⊕ String and List Processing | ⊕ Activity scanning | ⊕ United Kingdom | |
| EMAS LOGO | ⊕ 1977 | ⊕ United Kingdom | |||
| IMP 77 | ⊕ 1977 | ↓ ↑ ⊕ Multi-purpose | ⊕ Early Autocodes | ⊕ United Kingdom | |
| MAX | ⊕ 1977 | ⊕ United Kingdom | |||
| NNL2 | ⊕ 1977 | ⊕ United Kingdom | |||
| NPL | ⊕ 1977 | ↓ ↑ ⊕ String and List Processing | ⊕ United Kingdom | New Pattern Language | |
| PCF | ⊕ 1977 | ⊕ United Kingdom | |||
| PROPLAN | ⊕ 1977 | ⊕ United Kingdom | |||
| RAPT | ⊕ 1977 | ↓ ↑ ⊕ Specialised Languages | ⊕ Robotics | ⊕ United Kingdom | Edinburgh robotics language |
| RPL 11 B | ⊕ 1977 | ⊕ United Kingdom | Report preparation language | ||
| SESPOOL | ⊕ 1977 | ↓ ↑ ⊕ Multi-purpose | ⊕ True ALGOL60s | ⊕ United Kingdom | Simple Extensible Systems PrOgramming Oriented Language |