| Iverson's Language | ⊕ 1957 | ↓ ↑ ⊕ Numerical Scientific | Pure APLs | ⊕ United States | Proto-APL |
| LYaPAS | ⊕ 1964 | ↓ ↑ ⊕ Specialised Languages | Pure APLs | ⊕ Russian Federation | Symbolic extensions to APL |
| PAT | ⊕ 1963 | ↓ ↑ ⊕ Numerical Scientific | Pure APLs | ⊕ United States | Personalized Array Translator |