| ↔ Order by name | ↔ Order by year | ↔ Order by year reverse | ↔ Order by Type | ↔ Order by Sammet category |
| PET | ⊕ 1965 | ↓ ↑ ⊕ Specialised Languages | ⊕ Decision tables | ⊕ Canada | Decision table language |
| TABGEN | ⊕ 1968 | ↓ ↑ ⊕ Business Data Processing | ⊕ Decision tables | ⊕ Canada | Decision table language |