| *n | ⊕ 1973 | ↓ ↑ ⊕ String and List Processing | ⊕ United States | ||
| APLBAGS | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ 2d shape | ⊕ United States | Graphical extensions to APL |
| APLGOL-2 | ⊕ 1973 | ⊕ United States | |||
| ASPOL | ⊕ 1973 | ⊕ United States | |||
| ASTAP | ⊕ 1973 | ⊕ United States | |||
| BASCMP | ⊕ 1973 | ⊕ United States | |||
| BEST400 | ⊕ 1973 | ↓ ↑ ⊕ Business Data Processing | ⊕ Report Generators | ⊕ United States | BESTOP language |
| CAGES | ⊕ 1973 | ⊕ United States | |||
| CAISYS | ⊕ 1973 | ⊕ United States | |||
| CAL | ⊕ 1973 | ⊕ United States | |||
| CELLSIM | ⊕ 1973 | ⊕ Systems | ⊕ United States | Cell population simulation | |
| CHEMCSMP | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ Chemical process languages | ⊕ United States | CSMP dialect with special features for chemistry modelling |
| CLEOPATRA | ⊕ 1973 | ⊕ United States | |||
| CONNIVER | ⊕ 1973 | ⊕ United States | |||
| DBTG | ⊕ 1973 | ⊕ United States | |||
| DESPL/l | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ Event scheduling | ⊕ United States | Discrete event simulation language |
| DG/L | ⊕ 1973 | ↓ ↑ ⊕ Multi-purpose | ⊕ Other Algol 60s | ⊕ United States | Data General Algol 60 |
| DMAD | ⊕ 1973 | ⊕ United States | |||
| EGS3 | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ Monte Carlo | ⊕ United States | SLAC Monte Carlo system |
| ELFBOL | ⊕ 1973 | ⊕ United States | |||
| FLUB | ⊕ 1973 | ⊕ Symbolic assemblers | ⊕ United States | Assembler for abstract machine | |
| FOL | ⊕ 1973 | ⊕ United States | |||
| FOSIL | ⊕ 1973 | ⊕ Command systems | ⊕ United States | Portable job control language | |
| GASP IV | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ Hybrid | ⊕ United States | General Activity Simulation Program |
| GCL | ⊕ 1973 | ↓ ↑ ⊕ Multi-purpose | ⊕ United States | General Control Language | |
| GERTS III QR | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ Event scheduling | ⊕ United States | Graphical simulation system |
| GOAL | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ Multiline | ⊕ United States | Ground Operations Aerospace Language |
| grep | ⊕ 1973 | ⊕ Patterns | ⊕ United States | regular expression parser as a command line tool for unix | |
| GROPE | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ Graph | ⊕ United States | Graph processing language |
| HELP | ⊕ 1973 | ⊕ Macros | ⊕ United States | FLIP in WISP | |
| IFTRAN | ⊕ 1973 | ↓ ↑ ⊕ Multi-purpose | ⊕ Non Standard FIV | ⊕ United States | FORTRAN for structured programming |
| IMP | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ Columnar sheets | ⊕ United States | OMNITAB variant |
| ISL | ⊕ 1973 | ⊕ Event scheduling | ⊕ United States | Interactive Simulation Language | |
| JOVIAL J73 | ⊕ 1973 | ↓ ↑ ⊕ Multi-purpose | ⊕ Jovials | ⊕ United States | 1973 Version of JOVIAL |
| KAPPA-SPEAKEASY | ⊕ 1973 | ⊕ United States | |||
| LAMA | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ Robotics | ⊕ United States | |
| LINGOL | ⊕ 1973 | ↓ ↑ ⊕ String and List Processing | ⊕ United States | ||
| LLAMA | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ Robotics | ⊕ United States | Robotics control language |
| LPL | ⊕ 1973 | ↓ ↑ ⊕ String and List Processing | ⊕ List | ⊕ United States | List processing language |
| MaGen/PDS | ⊕ 1973 | ⊕ United States | |||
| MAPL | ⊕ 1973 | ⊕ United States | |||
| MBALM | ⊕ 1973 | ⊕ United States | Microprogrammed BALM | ||
| METASIM | ⊕ 1973 | ⊕ United States | |||
| MINI | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ Robotics | ⊕ United States | robotics language |
| MORTRAN | ⊕ 1973 | ↓ ↑ ⊕ Numerical Scientific | ⊕ Non Standard FIV | ⊕ United States | Dialect of FORTRAN for structural programming |
| MORTRAN 2 | ⊕ 1973 | ⊕ Non Standard FIV | ⊕ United States | ||
| MUSIC 11 | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ Sound-control | ⊕ United States | Musical composition language |
| OL/2 | ⊕ 1973 | ⊕ United States | |||
| OSIRIS III | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ Statistical | ⊕ United States | |
| Partridge | ⊕ 1973 | ⊕ Grammar and Syntax-oriented | ⊕ United States | ||
| PAS-II | ⊕ 1973 | ⊕ United States | |||
| PD Strudl | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ Civil | ⊕ United States | Phi Delta STRUDL |
| PDL | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | Program Design Language | |
| PDL/74 | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | Program Design Language 1974 | |
| PEGS 3 | ⊕ 1973 | ⊕ United States | |||
| PIVOT Input language | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | INput language for the PIVOT theorem prover | |
| PL/CD | ⊕ 1973 | ⊕ United States | |||
| PL/CI | ⊕ 1973 | ⊕ United States | |||
| PL/EXUS | ⊕ 1973 | ⊕ XPLs | ⊕ United States | USer-extensible XPL | |
| PLANNER-73 | ⊕ 1973 | ⊕ United States | |||
| PLCV | ⊕ 1973 | ↓ ↑ ⊕ Experimental and other | ⊕ United States | ||
| POGOL | ⊕ 1973 | ↓ ↑ ⊕ String and List Processing | ⊕ Editing and processing | ⊕ United States | Advanced file manipulation system |
| PSL/II | ⊕ 1973 | ↓ ↑ ⊕ Experimental and other | ⊕ United States | Problem Statement Language/version 2 | |
| QLISP | ⊕ 1973 | ↓ ↑ ⊕ String and List Processing | ⊕ Lazy Evaluation LISPs | ⊕ United States | Questioning LISP |
| RCL | ⊕ 1973 | ⊕ United States | Reduced Control Language | ||
| SB-Pascal | ⊕ 1973 | ↓ ↑ ⊕ Multi-purpose | ⊕ Pascals | ⊕ United States | |
| SB-Prolog | ⊕ 1973 | ↓ ↑ ⊕ String and List Processing | ⊕ Horn clause | ⊕ United States | |
| SEARCH | ⊕ 1973 | ⊕ United States | |||
| SED | ⊕ 1973 | ↓ ↑ ⊕ String and List Processing | ⊕ Editing and processing | ⊕ United States | Stream Editor |
| SEMANOL(73) | ⊕ 1973 | ⊕ United States | |||
| SEQUEL | ⊕ 1973 | ↓ ↑ ⊕ Business Data Processing | ⊕ RDBMs | ⊕ United States | Limited expression language for data querying |
| SETLB | ⊕ 1973 | ⊕ United States | |||
| SFTRAN | ⊕ 1973 | ⊕ United States | |||
| SFTRAN3 | ⊕ 1973 | ⊕ Non Standard FIV | ⊕ United States | JPL Structured Fortran | |
| SHRIMP | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ Columnar sheets | ⊕ United States | OMNITAB variant |
| SIMCMP | ⊕ 1973 | ⊕ United States | |||
| SIMTRAN | ⊕ 1973 | ⊕ United States | |||
| SITBOL | ⊕ 1973 | ⊕ United States | |||
| SPECL | ⊕ 1973 | ⊕ United States | |||
| SPICE | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ 2d shape | ⊕ United States | Simulation Program with Integrated Circuit Emphasis |
| SPIFFY | ⊕ 1973 | ↓ ↑ ⊕ Numerical Scientific | ⊕ Non Standard FIV | ⊕ United States | Structured FORTRAN IV from BOEING |
| SPIL | ⊕ 1973 | ⊕ United States | |||
| SPL | ⊕ 1973 | ↓ ↑ ⊕ Multi-purpose | ⊕ United States | SYMBOL Programming Language | |
| SYMPL | ⊕ 1973 | ↓ ↑ ⊕ Multi-purpose | ⊕ United States | CDC systems language | |
| SYSTEM 2000 | ⊕ 1973 | ↓ ↑ ⊕ Business Data Processing | ⊕ Labelled Matrix | ⊕ United States | |
| TBLTRN | ⊕ 1973 | ⊕ United States | |||
| TROLL | ⊕ 1973 | ↓ ↑ ⊕ On-Line | ⊕ Forecasting | ⊕ United States | Array language for econometrics |
| TXTPAD | ⊕ 1973 | ⊕ United States | |||
| UCI-LISP | ⊕ 1973 | ↓ ↑ ⊕ String and List Processing | ⊕ Lazy Evaluation LISPs | ⊕ United States | |
| UNIQUE | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ Command systems | ⊕ United States | Job control language |
| VERS2 | ⊕ 1973 | ↓ ↑ ⊕ Multi-purpose | ⊕ Generalised programming | ⊕ United States | Generalised programming language |
| VIPTRAN | ⊕ 1973 | ⊕ United States | |||
| VIS | ⊕ 1973 | ⊕ United States | |||
| WAVE | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | Robotics language | |
| Wolofsky Labanotation Compiler | ⊕ 1973 | ⊕ United States | |||
| WYLBUR | ⊕ 1973 | ⊕ United States |