| ALTRAN | ⊕ 1965 | ↓ ↑ ⊕ Non-numerical Scientific | ⊕ Fortran I-III Variants | ⊕ United States | Translator for ALTAC |
| PDQ FORTRAN | ⊕ 1965 | ↓ ↑ ⊕ Numerical Scientific | ⊕ Fortran I-III Variants | ⊕ United States | Purdue FORTRAN compiler |
| T3 Fortran | ⊕ 1965 | ↓ ↑ ⊕ Numerical Scientific | ⊕ Fortran I-III Variants | ⊕ United Kingdom | Titan Fortran III |