| ALGOL C | ⊕ 1981 | ↓ ↑ ⊕ Numerical Scientific | ⊕ True ALGOL60s | ⊕ United Kingdom | Cambridge educational Algol 60 |
| COPAS | ⊕ 1981 | ↓ ↑ ⊕ On-Line | ⊕ Pascals | ⊕ United Kingdom | Conversational Pascal |
| Cospol | ⊕ 1981 | ↓ ↑ ⊕ Multi-purpose | ⊕ United Kingdom | Dialect of CSP | |
| DL1 | ⊕ 1981 | ⊕ United Kingdom | |||
| ITL | ⊕ 1981 | ⊕ United Kingdom | |||
| KRC | ⊕ 1981 | ⊕ United Kingdom | Kent Recursive Calculator | ||
| MIN0 | ⊕ 1981 | ⊕ United Kingdom | |||
| NEPAL | ⊕ 1981 | ⊕ United Kingdom | |||
| PASCAL/M | ⊕ 1981 | ↓ ↑ ⊕ Multi-purpose | ⊕ Pascals | ⊕ United Kingdom | Pascal with Modula Modules |
| PS-ALGOL | ⊕ 1981 | ↓ ↑ ⊕ Numerical Scientific | ⊕ True ALGOL60s | ⊕ United Kingdom | Persistent Algol |
| RBCSP | ⊕ 1981 | ⊕ United Kingdom | |||
| Relational Language | ⊕ 1981 | ⊕ United Kingdom |