| BIOPSI | ⊕ 1976 | ↓ ↑ ⊕ Experimental and other | ⊕ Macroassemblers | ⊕ United States | |
| FMPL | ⊕ 1976 | ↓ ↑ ⊕ Experimental and other | ⊕ Prototyping | ⊕ United States | Prototyping OOL |
| PSL/PSA | ⊕ 1976 | ↓ ↑ ⊕ Experimental and other | ⊕ United States | Problem Statement Language/Problem Statement Analyzer |