| APLBAGS | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ 2d shape | ⊕ United States | Graphical extensions to APL |
| AUT-QE | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ Netherlands | ||
| BUILD | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ 3d shape | ⊕ United Kingdom | Solid modelling language |
| CHEMCSMP | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ Chemical process languages | ⊕ United States | CSMP dialect with special features for chemistry modelling |
| DESPL/l | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ Event scheduling | ⊕ United States | Discrete event simulation language |
| EGS3 | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ Monte Carlo | ⊕ United States | SLAC Monte Carlo system |
| EXEL | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ France | ||
| GASP IV | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ Hybrid | ⊕ United States | General Activity Simulation Program |
| GERTS III QR | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ Event scheduling | ⊕ United States | Graphical simulation system |
| GOAL | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ Multiline | ⊕ United States | Ground Operations Aerospace Language |
| GROPE | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ Graph | ⊕ United States | Graph processing language |
| IMP | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ Columnar sheets | ⊕ United States | OMNITAB variant |
| LAMA | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ Robotics | ⊕ United States | |
| LLAMA | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ Robotics | ⊕ United States | Robotics control language |
| MINI | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ Robotics | ⊕ United States | robotics language |
| Mizar | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ Algebraic | ⊕ Poland | |
| MUSIC 11 | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ Sound-control | ⊕ United States | Musical composition language |
| OSIRIS III | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ Statistical | ⊕ United States | |
| PAD | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ Interface and windowing | ⊕ Germany | Programming by example |
| PD Strudl | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ Civil | ⊕ United States | Phi Delta STRUDL |
| PDL | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | Program Design Language | |
| PDL/74 | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | Program Design Language 1974 | |
| PIVOT Input language | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | INput language for the PIVOT theorem prover | |
| SHRIMP | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ Columnar sheets | ⊕ United States | OMNITAB variant |
| SPICE | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ 2d shape | ⊕ United States | Simulation Program with Integrated Circuit Emphasis |
| UNIQUE | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ Command systems | ⊕ United States | Job control language |
| WAVE | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | Robotics language | |
| ZAPP | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ Animation | ⊕ Canada | Animation generation language |