| CIMPL | ⊕ 1971 | ↓ ↑ ⊕ On-Line | ⊕ Other PL/Is | ⊕ United States | |
| FOCAL-71 | ⊕ 1971 | ↓ ↑ ⊕ On-Line | ⊕ Generation of JOSS I | ⊕ United States | 1971 version of FOCAL |
| GRIP-71 | ⊕ 1971 | ↓ ↑ ⊕ On-Line | ⊕ United States | ||
| INTERP | ⊕ 1971 | ↓ ↑ ⊕ On-Line | ⊕ Generation of JOSS I | ⊕ United States | Burroughs conversational system |
| PS/8 FOCAL | ⊕ 1971 | ↓ ↑ ⊕ On-Line | ⊕ Generation of JOSS I | ⊕ United States | |
| UNCL | ⊕ 1971 | ↓ ↑ ⊕ On-Line | ⊕ Generation of JOSS II | ⊕ United States | Language for the TEACH system |