| ↔ Order by name | ↔ Order by year | ↔ Order by year reverse | ↔ Order by Type | ↔ Order by Sammet category |
| ABC ALGOL | ⊕ 1973 | ↓ ↑ ⊕ Numerical Scientific | ⊕ True ALGOL60s | ⊕ Netherlands | ALGOL 60 extension for symbolic math |
| X1 Algol 60 | ⊕ 1961 | ↓ ↑ ⊕ Numerical Scientific | ⊕ True ALGOL60s | ⊕ Netherlands |