| CASSANDRE | ⊕ 1967 | ⊕ France | Hardware simulation language | ||
| CHARYBDIS | ⊕ 1967 | ⊕ Algebraic | ⊕ United States | Graphic extensions to Mathlab | |
| Coursewriter IIS | ⊕ 1967 | ⊕ CAI languages | ⊕ United States | Computer aided instruction language | |
| CSSL | ⊕ 1967 | ⊕ Expression oriented | ⊕ United States | Continuous System Simulation Language | |
| EPSILON | ⊕ 1967 | ⊕ Macros | ⊕ Russian Federation | Macro language with high level features | |
| GASP II | ⊕ 1967 | ⊕ Event scheduling | ⊕ United States | Discrete simulation language | |
| GPS | ⊕ 1967 | ⊕ Activity scanning | ⊕ United States | General Purpose Simulation | |
| l* | ⊕ 1967 | ⊕ List | ⊕ United States | ||
| LIMP | ⊕ 1967 | ⊕ Macros | ⊕ Australia | Macro processor | |
| METAPI | ⊕ 1967 | ⊕ Grammar and Syntax-oriented | ⊕ United States | language for extensions | |
| NICOL II | ⊕ 1967 | ⊕ Other PL/Is | ⊕ United States | Small subset of PL/I language | |
| OPS-4 | ⊕ 1967 | ⊕ Event scheduling | ⊕ United States | On-line Process Synthesizer version 4 | |
| PA1 | ⊕ 1967 | ⊕ Monte Carlo | ⊕ United States | Problem Analysis Language | |
| PASS | ⊕ 1967 | ⊕ Symbolic assemblers | ⊕ United States | ||
| POSE | ⊕ 1967 | ⊕ Goal description | ⊕ United States | ||
| RECON | ⊕ 1967 | ⊕ Ad hoc query languages | ⊕ United States | ||
| SCRIBE | ⊕ 1967 | ⊕ Grammar and Syntax-oriented | ⊕ United States | Generalised superset of FLEX | |
| SIN | ⊕ 1967 | ⊕ Algebraic | ⊕ United States | Symbolic maths package | |
| SIS | ⊕ 1967 | ⊕ Other Conversational | ⊕ United States | Conversational programming system based on Reckoner | |
| TAB7C | ⊕ 1967 | ⊕ Decision tables | ⊕ United States | ||
| XACT | ⊕ 1967 | ⊕ Intermediate languages and VMs | ⊕ United States |