| COCOA | ⊕ 1968 | ↓ ↑ ⊕ String and List Processing | Text analysis | ⊕ United Kingdom | Language for literary analysis |
| MITEM | ⊕ 1969 | ↓ ↑ ⊕ String and List Processing | Text analysis | ⊕ United States | Machine-independant text processor |
| QUILL | ⊕ 1966 | ↓ ↑ ⊕ String and List Processing | Text analysis | ⊕ Canada |