| ↔ Order by name | ↔ Order by year | ↔ Order by year reverse | ↔ Order by Type | ↔ Order by Sammet category |
| Babbage | ⊕ 1980 | ⊕ PL-360s | ⊕ United Kingdom | ||
| PL316 | ⊕ 1973 | ⊕ PL-360s | ⊕ United Kingdom | 316 port of PL-360 | |
| PL516 | ⊕ 1970 | ↓ ↑ ⊕ Specialised Languages | ⊕ PL-360s | ⊕ United Kingdom | |
| Plasyd | ⊕ 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ PL-360s | ⊕ United Kingdom | ICL systems language |