| A-language | ⊕ 1964 | ↓ ↑ ⊕ String and List Processing | ⊕ Strict evaluation LISPs | ⊕ United States | An early Algol-like surface syntax for Lisp |
| ALTEXT | ⊕ 1964 | ↓ ↑ ⊕ String and List Processing | ⊕ Editing and processing | ⊕ United States | Text processing |
| AMBIT | ⊕ 1964 | ↓ ↑ ⊕ String and List Processing | ⊕ Algebraic | ⊕ United States | Algebraic manipulation |
| AXLE | ⊕ 1964 | ↓ ↑ ⊕ String and List Processing | ⊕ Substrings | ⊕ United States | Table-based string processing language |
| CLP | ⊕ 1964 | ↓ ↑ ⊕ String and List Processing | ⊕ List | ⊕ United States | Cornell List Processor |
| CORAL | ⊕ 1964 | ↓ ↑ ⊕ String and List Processing | ⊕ Ring | ⊕ United States | Class Oriented Ring Associated Language |
| LISP II | ⊕ 1964 | ↓ ↑ ⊕ String and List Processing | ⊕ Strict evaluation LISPs | ||
| METEOR | ⊕ 1964 | ↓ ↑ ⊕ String and List Processing | ⊕ List | ⊕ United States | COMIT with LISP features |
| Nu-Speak | ⊕ 1964 | ↓ ↑ ⊕ String and List Processing | ⊕ List | ⊕ United States | List-processing extensions to FAP or FORTRAN |
| OPL-1 | ⊕ 1964 | ↓ ↑ ⊕ String and List Processing | ⊕ List | ⊕ United States | Interactive SLIP environment |
| SNOBOL2 | ⊕ 1964 | ↓ ↑ ⊕ String and List Processing | ⊕ Patterns | ⊕ United States | Interim version of SNOBOL |
| TR4 | ⊕ 1964 | ↓ ↑ ⊕ String and List Processing | ⊕ Definition languages | ⊕ Germany | Extensible compiler generator system for the Telefunken TR4 Computer |
| TRAC T64 | ⊕ 1964 | ↓ ↑ ⊕ String and List Processing | ⊕ Macros | ⊕ United States | Standard TRAC |
| WISP | ⊕ 1964 | ↓ ↑ ⊕ String and List Processing | ⊕ Macroassemblers | ⊕ United Kingdom | Macro-based list processing language |