| CSAX | ⊕ 1974 | ||||
| CSI IBM 360 MACROS | ⊕ 1974 | ||||
| EXEC | ⊕ 1974 | ⊕ United States | |||
| HSL/1 | ⊕ 1974 | ||||
| ISBL | ⊕ 1974 | ⊕ RDBMs | ⊕ United Kingdom | IBM Peterlee experimental relational algebra | |
| LEGOL | ⊕ 1974 | ||||
| LIL | ⊕ 1974 | ⊕ United States | Little Implementation Language | ||
| LINUS | ⊕ 1974 | ⊕ Other algorithmic | ⊕ United States | Instructional algorithmic language | |
| NAVTRANSTAB | ⊕ 1974 | ||||
| Pasqual | ⊕ 1974 | ⊕ Canada | |||
| Pygmalion | ⊕ 1974 | ⊕ Reactive | ⊕ United States | ||
| RENDEZVOUS | ⊕ 1974 | ⊕ United States | |||
| SAINT | ⊕ 1974 | ⊕ Event scheduling | ⊕ United States | ||
| SOL | ⊕ 1974 | ⊕ Semantic | ⊕ United Kingdom | Semantic Operating Language | |
| TABLEMASTER | ⊕ 1974 | ⊕ United Kingdom |