| B | ⊕ 1975 | ↓ ↑ ⊕ On-Line | ⊕ Netherlands | Simple interactive programming environment | |
| DELtran | ⊕ 1975 | ↓ ↑ ⊕ On-Line | ⊕ FORTRAN IV standard | ⊕ United States | Fortran interpreted to DEL |
| FOCAL-12 | ⊕ 1975 | ↓ ↑ ⊕ On-Line | ⊕ Generation of JOSS I | ⊕ United States | FOCAL for the PDP-12 |
| GRIP-75 | ⊕ 1975 | ↓ ↑ ⊕ On-Line | ⊕ United States |