| Acrith | ⊕ 1986 | ↓ ↑ ⊕ Numerical Scientific | ⊕ United States | High Accuracy Arithmetic Fortran Extensions | |
| Algol 8 | ⊕ 1986 | ↓ ↑ ⊕ Numerical Scientific | ⊕ True ALGOL60s | ⊕ Denmark | Version 4 of RC Algol |
| Refined Fortran | ⊕ 1986 | ↓ ↑ ⊕ Numerical Scientific | ⊕ United States | Parallel Fortran 77 | |
| RF | ⊕ 1986 | ↓ ↑ ⊕ Numerical Scientific | ⊕ United States |