| AMBIT/L | ⊕ 1970 | ↓ ↑ ⊕ String and List Processing | ⊕ List | ⊕ United States | AMBIT symbolic system for lists |
| AMBIT/S | ⊕ 1970 | ↓ ↑ ⊕ String and List Processing | ⊕ Patterns | ⊕ United States | Ambit symbolic system for strings |
| Buckle data structure language | ⊕ 1970 | ↓ ↑ ⊕ String and List Processing | ⊕ Map/Dictionary | ⊕ Canada | |
| CODIT | ⊕ 1970 | ↓ ↑ ⊕ String and List Processing | ⊕ Decision tables | ⊕ United States | Decision table language |
| INTERLISP-D | ⊕ 1970 | ↓ ↑ ⊕ String and List Processing | ⊕ Lazy Evaluation LISPs | ⊕ United States | |
| L | ⊕ 1970 | ↓ ↑ ⊕ String and List Processing | ⊕ Macros | ⊕ United Kingdom | |
| LEAP | ⊕ 1970 | ↓ ↑ ⊕ String and List Processing | ⊕ Map/Dictionary | ⊕ United States | |
| LEPCGL | ⊕ 1970 | ↓ ↑ ⊕ String and List Processing | ⊕ Map/Dictionary | ⊕ United States | LEAP with sets |
| LISP 1.75 | ⊕ 1970 | ↓ ↑ ⊕ String and List Processing | ⊕ Lazy Evaluation LISPs | ⊕ United States | |
| LPL | ⊕ 1970 | ↓ ↑ ⊕ String and List Processing | ⊕ List | ⊕ United States | List Programming Language |
| META/LISP | ⊕ 1970 | ↓ ↑ ⊕ String and List Processing | ⊕ Lazy Evaluation LISPs | ⊕ United States | |
| microPLANNER | ⊕ 1970 | ↓ ↑ ⊕ String and List Processing | ⊕ Robotics | ⊕ United States | LISP implementation of PLANNER |
| NUCLEOL | ⊕ 1970 | ↓ ↑ ⊕ String and List Processing | ⊕ Tree | ⊕ United States | Tree-based list processing language |
| PLEXPACK | ⊕ 1970 | ↓ ↑ ⊕ String and List Processing | ⊕ Gestalt programming | ⊕ United States | |
| PUSHUP | ⊕ 1970 | ↓ ↑ ⊕ String and List Processing | ⊕ Markovs | ⊕ United States | |
| RLISP | ⊕ 1970 | ↓ ↑ ⊕ String and List Processing | ⊕ Lazy Evaluation LISPs | ⊕ United States | Lisp without brackets |
| SPG | ⊕ 1970 | ↓ ↑ ⊕ String and List Processing | ⊕ Macros | ⊕ United Kingdom | |
| TLISP | ⊕ 1970 | ↓ ↑ ⊕ String and List Processing | ⊕ Lazy Evaluation LISPs | ⊕ United States | Texas UCI LISP |
| VULCAN | ⊕ 1970 | ↓ ↑ ⊕ String and List Processing | ⊕ Macros | ⊕ United States | String manipulation language |