| Basic PDP-1 Lisp | ⊕ 1963 | ↓ ↑ ⊕ String and List Processing | ⊕ Lazy Evaluation LISPs | ⊕ United States | |
| CITRUS | ⊕ 1963 | ↓ ↑ ⊕ String and List Processing | ⊕ List | ⊕ United States | COBOL-based list package |
| COMIT II | ⊕ 1963 | ↓ ↑ ⊕ String and List Processing | ⊕ Patterns | ⊕ United States | String-handling and pattern-matching language |
| GM | ⊕ 1963 | ↓ ↑ ⊕ String and List Processing | ⊕ Symbolic | ⊕ United States | Lisp Abstract Machine without Labels |
| L6 | ⊕ 1963 | ↓ ↑ ⊕ String and List Processing | ⊕ List | ⊕ United States | Laboratories Low-Level Linked List Language |
| LISP 2 | ⊕ 1963 | ↓ ↑ ⊕ String and List Processing | ⊕ Lazy Evaluation LISPs | ⊕ United States | A system based on ALGOL but also containing many of the facilities and concepts of the original LISP systems. |
| PANON-1 | ⊕ 1963 | ↓ ↑ ⊕ String and List Processing | ⊕ Markovs | ⊕ Italy | Markov-pattern-directed string processing language |
| SLIP | ⊕ 1963 | ↓ ↑ ⊕ String and List Processing | ⊕ List | ⊕ United States | Symmetric LIst Processsor |
| TIPL | ⊕ 1963 | ↓ ↑ ⊕ String and List Processing | ⊕ List | ⊕ United States | Interactive IPL interpreter |