| ↔ Order by name | ↔ Order by year | ↔ Order by year reverse | ↔ Order by Type | ↔ Order by Sammet category |
| Arin and Shpens | ⊕ 1958 | ↓ ↑ ⊕ Excluded from Sammet | ⊕ Autocode Coeval | Latvia | Latvian Autocode |
| RIGAL | ⊕ 1987 | ↓ ↑ ⊕ String and List Processing | Latvia | Structured language for compiler writing |