| ABSYS | ⊕ 1966 | ↓ ↑ ⊕ Specialised Languages | ⊕ Horn clause | ⊕ United Kingdom | Aberdeen system declarative language |
| AEDNET | ⊕ 1966 | ↓ ↑ ⊕ Specialised Languages | ⊕ Graph | ⊕ United States | AED dialect for modelling networks |
| ALGEM | ⊕ 1966 | ↓ ↑ ⊕ Specialised Languages | ⊕ Algebraic | ⊕ United States | Polynomials-capable list-processing |
| ALGEM | ⊕ 1966 | ↓ ↑ ⊕ Specialised Languages | ⊕ COBOL coeval | ⊕ Russian Federation | Economic autocode |
| ALMS | ⊕ 1966 | ↓ ↑ ⊕ Specialised Languages | ⊕ Algebraic | ⊕ United States | Interactive algebraic system |
| ALPAKB | ⊕ 1966 | ↓ ↑ ⊕ Specialised Languages | ⊕ Algebraic | ⊕ United States | Generalised version of ALPAK |
| AM1 | ⊕ 1966 | ↓ ↑ ⊕ Specialised Languages | ⊕ Algebraic | ⊕ Australia | Abstract Machine 1 |
| AUTOPIT | ⊕ 1966 | ↓ ↑ ⊕ Specialised Languages | ⊕ Numerical Control | ⊕ Germany | |
| CAPS | ⊕ 1966 | ↓ ↑ ⊕ Specialised Languages | ⊕ CASE languages | ⊕ United Kingdom | CASE language |
| Chingari conversational APT | ⊕ 1966 | ↓ ↑ ⊕ Specialised Languages | ⊕ Numerical Control | ⊕ United States | Conversational APT |
| COMPUTEST II-D | ⊕ 1966 | ↓ ↑ ⊕ Specialised Languages | ⊕ CAI languages | ⊕ United States | CAI and interviewing language |
| CourseWriter | ⊕ 1966 | ↓ ↑ ⊕ Specialised Languages | ⊕ CAI languages | ⊕ United States | CAI Language |
| CSL | ⊕ 1966 | ↓ ↑ ⊕ Specialised Languages | ⊕ Activity scanning | ⊕ United Kingdom | Control and Simulation Language |
| CSL 2 | ⊕ 1966 | ↓ ↑ ⊕ Specialised Languages | ⊕ Activity scanning | ⊕ United Kingdom | Version 2 of CSL |
| DAC-I | ⊕ 1966 | ↓ ↑ ⊕ Specialised Languages | ⊕ 2d shape | ⊕ United States | GM Design system |
| EASL | ⊕ 1966 | ↓ ↑ ⊕ Specialised Languages | ⊕ Expression oriented | ⊕ United States | continuous simulation language |
| ECSL | ⊕ 1966 | ↓ ↑ ⊕ Specialised Languages | ⊕ Activity scanning | ⊕ United Kingdom | Extended Continuous Simulation Language |
| GAMMA | ⊕ 1966 | ↓ ↑ ⊕ Specialised Languages | ⊕ Decision tables | ⊕ United States | Bonner and Moore Matrix Generator language |
| GAMMA 3 | ⊕ 1966 | ↓ ↑ ⊕ Specialised Languages | ⊕ Decision tables | ⊕ United States | Matrix Generator and report writer |
| GERT | ⊕ 1966 | ↓ ↑ ⊕ Specialised Languages | ⊕ Event scheduling | ⊕ United States | Graphical simulation system |
| GRASP | ⊕ 1966 | ↓ ↑ ⊕ Specialised Languages | ⊕ 2d shape | ⊕ United States | GRAphic Service Program |
| ISM | ⊕ 1966 | ↓ ↑ ⊕ Specialised Languages | ⊕ Algebraic | ⊕ United States | Symbol manipulation language |
| JFLIP | ⊕ 1966 | ↓ ↑ ⊕ Specialised Languages | ⊕ Non Standard FIV | ⊕ United States | FORTRAN Language with Interval Preprocessor |
| LEANS | ⊕ 1966 | ↓ ↑ ⊕ Specialised Languages | ⊕ Differential Equations | ⊕ United States | Lehigh Pactolus |
| MUSIGOL | ⊕ 1966 | ↓ ↑ ⊕ Specialised Languages | ⊕ Sound-Synthesis | ⊕ United States | Musical composition language |
| OCAL | ⊕ 1966 | ↓ ↑ ⊕ Specialised Languages | ⊕ Patterns | ⊕ United States | Pattern matching alnguage for cryptographic analysis |
| SAM | ⊕ 1966 | ↓ ↑ ⊕ Specialised Languages | ⊕ Expression oriented | ⊕ United Kingdom | Continuous Simulation Language |
| SCOOP | ⊕ 1966 | ↓ ↑ ⊕ Specialised Languages | ⊕ 2d shape | ⊕ United States | Graphics system for CalComp |
| SIMSCRIPT II | ⊕ 1966 | ↓ ↑ ⊕ Specialised Languages | ⊕ Event scheduling | ⊕ United States | Simulations language |
| TELSIM | ⊕ 1966 | ↓ ↑ ⊕ Specialised Languages | ⊕ Expression oriented | ⊕ United States | Simulation language |
| UAIDE | ⊕ 1966 | ↓ ↑ ⊕ Specialised Languages | ⊕ 2d shape | ⊕ United States | Graphics system at NASA |
| VICAR | ⊕ 1966 | ↓ ↑ ⊕ Specialised Languages | ⊕ AV-Control | ⊕ United States | NASA image manipulation language |