| EOL | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ Experiment control and recording | ⊕ United States | Experimenter Oriented Language |
| PSYCHOL | ⊕ 1968 | ↓ ↑ ⊕ Experimental and other | ⊕ Experiment control and recording | ⊕ United Kingdom | language for psychological experimentation |