| Actors | ⊕ 1971 | ↓ ↑ ⊕ Specialised Languages | ⊕ Actor | ⊕ United States | Agent based object parallel language |
| AGGIE | ⊕ 1971 | ↓ ↑ ⊕ Numerical Scientific | ⊕ Fortran I-III Variants | ⊕ United States | FORTRAN II from TAMU |
| ALC | ⊕ 1971 | ↓ ↑ ⊕ Specialised Languages | ⊕ Assemblers | ⊕ United States | IBM 360 assembly language |
| ALLEGRO | ⊕ 1971 | ⊕ United States | |||
| ALPHA | ⊕ 1971 | ↓ ↑ ⊕ Business Data Processing | ⊕ United States | Data-query language based on relational calculus | |
| AMBUSH | ⊕ 1971 | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | Linear programming programming language | |
| ASP | ⊕ 1971 | ⊕ United States | Artificial Scientific Programming | ||
| AUTOPOL | ⊕ 1971 | ↓ ↑ ⊕ Specialised Languages | ⊕ Numerical Control | ⊕ United States | AUTOmated Programming Of Lathes |
| BAL | ⊕ 1971 | ↓ ↑ ⊕ Excluded from Sammet | ⊕ Assemblers | ⊕ United States | IBM 360 assembly language |
| BALM4 | ⊕ 1971 | ⊕ United States | |||
| Basic Systems Language | ⊕ 1971 | ↓ ↑ ⊕ Multi-purpose | ⊕ United States | Forerunner of PL/S | |
| BASIC/RT | ⊕ 1971 | ⊕ United States | |||
| CASDAL | ⊕ 1971 | ⊕ United States | High-level data language for the database machine CASSM | ||
| CIMPL | ⊕ 1971 | ↓ ↑ ⊕ On-Line | ⊕ Other PL/Is | ⊕ United States | |
| CLASP | ⊕ 1971 | ↓ ↑ ⊕ Multi-purpose | ⊕ United States | Computer Language for AeronauticS and Programming - SPL subset | |
| COMPUTE | ⊕ 1971 | ⊕ Arithmetic | ⊕ United States | Interactive calulator for 7094 | |
| Dectab | ⊕ 1971 | ↓ ↑ ⊕ Specialised Languages | ⊕ Decision tables | ⊕ United States | Courant Institute decision table language |
| Deftab | ⊕ 1971 | ↓ ↑ ⊕ Specialised Languages | ⊕ Decision tables | ⊕ United States | Courant Institute decision table language |
| DEL | ⊕ 1971 | ↓ ↑ ⊕ Experimental and other | ⊕ Intermediate languages and VMs | ⊕ United States | Variable instruction set abstract interpreter |
| DELPHI-SPEAKEASY | ⊕ 1971 | ↓ ↑ ⊕ Numerical Scientific | ⊕ Matrix | ⊕ United States | Speakeasy ported to the DELPHI |
| Donaghey and Ozkul Statistics Language | ⊕ 1971 | ↓ ↑ ⊕ Specialised Languages | ⊕ Statistical | ⊕ United States | |
| DYL260 | ⊕ 1971 | ↓ ↑ ⊕ Business Data Processing | ⊕ United States | Auditing language | |
| EIN | ⊕ 1971 | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | ||
| ELATE | ⊕ 1971 | ⊕ United States | Hughes Aircraft | ||
| ELP | ⊕ 1971 | ↓ ↑ ⊕ Specialised Languages | ⊕ External systems testing | ⊕ United States | English language avionics testing |
| ERL | ⊕ 1971 | ↓ ↑ ⊕ Specialised Languages | ⊕ Response languages | ⊕ United States | Evoked Response Language |
| ESP | ⊕ 1971 | ↓ ↑ ⊕ Specialised Languages | ⊕ Forecasting | ⊕ United States | Econometric Software Package |
| ETC | ⊕ 1971 | ⊕ United States | |||
| Extensible LSD | ⊕ 1971 | ⊕ United States | |||
| FASBOL | ⊕ 1971 | ↓ ↑ ⊕ String and List Processing | ⊕ Patterns | ⊕ United States | Snobol compiler |
| FOCAL-71 | ⊕ 1971 | ↓ ↑ ⊕ On-Line | ⊕ Generation of JOSS I | ⊕ United States | 1971 version of FOCAL |
| FORMAL | ⊕ 1971 | ↓ ↑ ⊕ Non-numerical Scientific | ⊕ United States | ||
| GAMMATRAN | ⊕ 1971 | ⊕ United States | |||
| GPL/I | ⊕ 1971 | ↓ ↑ ⊕ Specialised Languages | ⊕ 2d shape | ⊕ United States | |
| GPSS 1100 | ⊕ 1971 | ↓ ↑ ⊕ Specialised Languages | ⊕ Process interaction | ⊕ United States | GPSS for the UNIVAC 1100 |
| GRIP | ⊕ 1971 | ⊕ United States | |||
| GRIP-71 | ⊕ 1971 | ↓ ↑ ⊕ On-Line | ⊕ United States | ||
| ICPL | ⊕ 1971 | ⊕ United States | |||
| Interactive STRUDL | ⊕ 1971 | ↓ ↑ ⊕ Specialised Languages | ⊕ Civil | ⊕ United States | Strudl for Timeshare systems plus graphics |
| INTERP | ⊕ 1971 | ↓ ↑ ⊕ On-Line | ⊕ Generation of JOSS I | ⊕ United States | Burroughs conversational system |
| ISP | ⊕ 1971 | ↓ ↑ ⊕ Specialised Languages | ⊕ Digital | ⊕ United States | |
| ISPL | ⊕ 1971 | ↓ ↑ ⊕ Specialised Languages | ⊕ Digital | ⊕ United States | Instruction Set Processor Language |
| ISPL | ⊕ 1971 | ↓ ↑ ⊕ Experimental and other | ⊕ United States | Incremental System Programming Language | |
| JCL | ⊕ 1971 | ↓ ↑ ⊕ Specialised Languages | ⊕ Command systems | ⊕ United States | Job Control Language |
| JOVIAL J3B | ⊕ 1971 | ⊕ United States | |||
| L-10 | ⊕ 1971 | ⊕ United States | |||
| LAFFF | ⊕ 1971 | ⊕ United States | Financial anaysis language | ||
| LAMBDA | ⊕ 1971 | ⊕ United States | |||
| LSD | ⊕ 1971 | ↓ ↑ ⊕ Multi-purpose | ⊕ United States | Language for Systems Development | |
| Macro SPITBOL | ⊕ 1971 | ⊕ Patterns | ⊕ United States | ||
| MAL | ⊕ 1971 | ↓ ↑ ⊕ Numerical Scientific | ⊕ Algebraic | ⊕ United States | Boeing Matrix algebra language |
| MDL | ⊕ 1971 | ⊕ Strict evaluation LISPs | ⊕ United States | LISP with data types and arrays | |
| META/PLUS | ⊕ 1971 | ⊕ United States | |||
| Micro | ⊕ 1971 | ⊕ Microprogramming and HLAs | ⊕ United States | Macro-assembler for microprogrammed processors | |
| MIRAGER | ⊕ 1971 | ↓ ↑ ⊕ Specialised Languages | ⊕ Assemblers | ⊕ United States | Micropgrogramming assembler |
| MOL-360 | ⊕ 1971 | ⊕ United States | |||
| MPL | ⊕ 1971 | ↓ ↑ ⊕ Experimental and other | ⊕ Microprogramming and HLAs | ⊕ United States | MicroProgramming Language |
| Muddle | ⊕ 1971 | ↓ ↑ ⊕ String and List Processing | ⊕ Strict evaluation LISPs | ⊕ United States | LISP with data types and array |
| MUSIC 10 | ⊕ 1971 | ↓ ↑ ⊕ Specialised Languages | ⊕ Sound-Synthesis | ⊕ United States | Musical composition language |
| NB | ⊕ 1971 | ↓ ↑ ⊕ Multi-purpose | ⊕ CPL Algols | ⊕ United States | Early version of C |
| NROFF | ⊕ 1971 | ↓ ↑ ⊕ String and List Processing | ⊕ United States | New ROFF | |
| PEESPOL | ⊕ 1971 | ↓ ↑ ⊕ Experimental and other | ⊕ Microprogramming and HLAs | ⊕ United States | UoI microprogramming system |
| PICASSO | ⊕ 1971 | ⊕ 2d shape | ⊕ United States | LBL Interactive graphics language | |
| PIRL | ⊕ 1971 | ↓ ↑ ⊕ Specialised Languages | ⊕ Graph | ⊕ United States | |
| PIVOT | ⊕ 1971 | ⊕ United States | Program verification | ||
| PLOTAN | ⊕ 1971 | ⊕ Printer control languages | ⊕ United States | Generalised plotting routine for the 7904 | |
| PS/8 FOCAL | ⊕ 1971 | ↓ ↑ ⊕ On-Line | ⊕ Generation of JOSS I | ⊕ United States | |
| P-STAT | ⊕ 1971 | ⊕ Statistical | ⊕ United States | Princeton stats package | |
| PSU-ICES | ⊕ 1971 | ⊕ United States | |||
| RASS | ⊕ 1971 | ⊕ United States | Agricultural statistics package | ||
| RCA-STAT | ⊕ 1971 | ⊕ Statistical | ⊕ United States | RCA stats package | |
| ROFF | ⊕ 1971 | ↓ ↑ ⊕ String and List Processing | ⊕ Layout and display | ⊕ United States | UNIX RUNOFF |
| SAS | ⊕ 1971 | ↓ ↑ ⊕ Specialised Languages | ⊕ Statistical | ⊕ United States | Statistical Analysis System |
| SCEPTRE | ⊕ 1971 | ↓ ↑ ⊕ String and List Processing | ⊕ Expression oriented | ⊕ United States | Circuit analysis system |
| Scratchpad | ⊕ 1971 | ↓ ↑ ⊕ Numerical Scientific | ⊕ Symbolic | ⊕ United States | General purpose interactive symbolic maths system |
| SCRATCHPAD/1 | ⊕ 1971 | ⊕ Symbolic | ⊕ United States | ||
| sh | ⊕ 1971 | ↓ ↑ ⊕ Specialised Languages | ⊕ Command systems | ⊕ United States | Command language for UNIX |
| SIMPL | ⊕ 1971 | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | Interactive simulation language | |
| SIMPLE | ⊕ 1971 | ↓ ↑ ⊕ Multi-purpose | ⊕ Other PL/Is | ⊕ United States | |
| SIMSOL | ⊕ 1971 | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | CDC simulation language | |
| SIRIUS | ⊕ 1971 | ⊕ United States | |||
| Smalltalk | ⊕ 1971 | ⊕ Simple | ⊕ United States | ||
| Speakeasy | ⊕ 1971 | ↓ ↑ ⊕ Specialised Languages | ⊕ Algebraic | ⊕ United States | Interactive expression-oriented language with plugins |
| SPITBOL | ⊕ 1971 | ⊕ United States | |||
| Stanford Pascal | ⊕ 1971 | ↓ ↑ ⊕ Multi-purpose | ⊕ Pascals | ⊕ United States | Pascal at Stanford on CDC |
| STATJOB | ⊕ 1971 | ↓ ↑ ⊕ String and List Processing | ⊕ Statistical | ⊕ United States | |
| SYMBOL | ⊕ 1971 | ↓ ↑ ⊕ Specialised Languages | ⊕ Category theory | ⊕ United States | Hardware based data structure programming language |
| System/A | ⊕ 1971 | ⊕ United States | |||
| TAP | ⊕ 1971 | ↓ ↑ ⊕ Excluded from Sammet | ⊕ United States | Macroassembler for the TREET system | |
| TWO-D | ⊕ 1971 | ⊕ Flowcharts | ⊕ United States | Flow-chart driven compiler | |
| UHFM | ⊕ 1971 | ↓ ↑ ⊕ Specialised Languages | ⊕ Algebraic | ⊕ United States | Formula manipulation language |
| UNCL | ⊕ 1971 | ↓ ↑ ⊕ On-Line | ⊕ Generation of JOSS II | ⊕ United States | Language for the TEACH system |
| Z-ASSEMBLER | ⊕ 1971 | ⊕ Symbolic assemblers | ⊕ United States |