| ABACUS 10 | ⊕ 1968 | ↓ ↑ ⊕ On-Line | ⊕ Generation of JOSS I | ⊕ United States | Data General JOSS |
| ADMINS | ⊕ 1968 | ↓ ↑ ⊕ Business Data Processing | ⊕ Other DPLs | ⊕ United States | MIT Querying system |
| AID | ⊕ 1968 | ↓ ↑ ⊕ On-Line | ⊕ Generation of JOSS I | ⊕ United States | PDP-10 Joss II |
| AL | ⊕ 1968 | ↓ ↑ ⊕ On-Line | ⊕ Generation of JOSS I | ⊕ United States | The Artificial Language |
| AMBIT/G | ⊕ 1968 | ↓ ↑ ⊕ String and List Processing | ⊕ Symbolic | ⊕ United States | Ambit symbolic package for graphs |
| AMPPL-I | ⊕ 1968 | ⊕ Map/Dictionary | ⊕ United States | Associative array extensions to FORTRAN IV | |
| Anderson 1968 | ⊕ 1968 | ↓ ↑ ⊕ On-Line | ⊕ Multiline | ⊕ United States | Graphical input language |
| ANIMATOR | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ Animation | ⊕ United States | ABimation language |
| APL with graphic extensions | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ Map/Dictionary | ⊕ United States | Associative graphics language |
| APPLE | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ Array | ⊕ United States | Revision of APL for the Illiac IV. |
| Ariel | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ Array | ⊕ United States | |
| AS-IST | ⊕ 1968 | ↓ ↑ ⊕ Business Data Processing | ⊕ Ad hoc query languages | ⊕ United States | |
| ATLAS | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ External systems testing | ⊕ United States | Avionics test language |
| AUTRAN | ⊕ 1968 | ⊕ External systems control | ⊕ United States | ||
| Base Language | ⊕ 1968 | ↓ ↑ ⊕ Experimental and other | ⊕ Single-assignment | ⊕ United States | |
| BASEL | ⊕ 1968 | ⊕ Grammar and Syntax-oriented | ⊕ United States | BASE Language for an extensible language facility | |
| Baskin and Morse graphical CSMP | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ 2d shape | ⊕ United States | Graphical simulation system |
| Bernstein | ⊕ 1968 | ↓ ↑ ⊕ On-Line | ⊕ Multiline | ⊕ United States | Maths input language |
| B-LINE | ⊕ 1968 | ⊕ 2d shape | ⊕ United States | ||
| BLITZ | ⊕ 1968 | ⊕ Ad hoc query languages | ⊕ United States | ||
| BMT | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ Event scheduling | ⊕ United States | Graphical extensions to GPSS |
| BSS | ⊕ 1968 | ⊕ Event scheduling | ⊕ United States | ||
| BSURF | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ Numerical Control | ⊕ United States | NC language |
| Bugliarello | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ Hydraulic/hydrological | ⊕ United States | Hydrological POL system |
| BUILD | ⊕ 1968 | ↓ ↑ ⊕ String and List Processing | ⊕ Macros | ⊕ United States | |
| CADETRAN | ⊕ 1968 | ↓ ↑ ⊕ On-Line | ⊕ United States | ||
| CAL | ⊕ 1968 | ↓ ↑ ⊕ On-Line | ⊕ Generation of JOSS I | ⊕ United States | Course Author Language |
| CAMA | ⊕ 1968 | ⊕ Arithmetic | ⊕ United States | Michigan interactive maths system | |
| CAML | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ Animation | ⊕ United States | Animation language |
| CAMP | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ Animation | ⊕ United States | 2d Animation system |
| CAN | ⊕ 1968 | ↓ ↑ ⊕ On-Line | ⊕ Generation of JOSS I | ⊕ United States | FOCAL dialect |
| CARDIAC | ⊕ 1968 | ⊕ Symbolic assemblers | ⊕ United States | ||
| CARPS | ⊕ 1968 | ↓ ↑ ⊕ Experimental and other | ⊕ Ad hoc query languages | ⊕ United States | Word-problems language |
| Catalyst | ⊕ 1968 | ↓ ↑ ⊕ On-Line | ⊕ Generation of JOSS I | ⊕ United States | |
| CHAMP | ⊕ 1968 | ↓ ↑ ⊕ String and List Processing | ⊕ Substrings | ⊕ United States | String-conscious algol 60 variant |
| CIDAS | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ Expression oriented | ⊕ United States | Interactive dialect of MIDAS |
| CINIC | ⊕ 1968 | ↓ ↑ ⊕ On-Line | ⊕ Street basics | ⊕ United States | DEC teaching subset of BASIC |
| CL6 | ⊕ 1968 | ⊕ List | ⊕ United States | ||
| COBOL-68 | ⊕ 1968 | ↓ ↑ ⊕ Business Data Processing | ⊕ COBOL-68 | ⊕ United States | ANS COBOL ANS X3.23-1968 |
| COMPAC | ⊕ 1968 | ↓ ↑ ⊕ Numerical Scientific | ⊕ Other US historic | ⊕ United States | UNIVAC Compiler |
| Compel | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ Single-assignment | ⊕ United States | Single assignment language |
| Coursewriter III | ⊕ 1968 | ⊕ CAI languages | ⊕ United States | ||
| CTL | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ External systems testing | ⊕ United States | Testing language |
| Data Structures Language | ⊕ 1968 | ↓ ↑ ⊕ String and List Processing | ⊕ Other IAL Coeval | ⊕ United States | MAD dialect with extensions for lists and graphics |
| DATANAL | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ Statistical | ⊕ United States | |
| DBL | ⊕ 1968 | ⊕ United States | |||
| DDL | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ Digital | ⊕ United States | Digital Design Language |
| DETRAN | ⊕ 1968 | ↓ ↑ ⊕ Business Data Processing | ⊕ Decision tables | ⊕ United States | Decision table language |
| DIM | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ Reactive | ⊕ United States | Interactive visual language |
| DISPLAYTRAN | ⊕ 1968 | ↓ ↑ ⊕ On-Line | ⊕ Other visual query languages | ⊕ United States | |
| DITCH | ⊕ 1968 | ⊕ CAI languages | ⊕ United States | ||
| DLT | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ Decision tables | ⊕ United States | Decision table generator |
| DMS | ⊕ 1968 | ↓ ↑ ⊕ Business Data Processing | ⊕ Report Generators | ⊕ United States | |
| DPL | ⊕ 1968 | ↓ ↑ ⊕ Business Data Processing | ⊕ Hierarchical DB | ⊕ United States | Data Processing Language |
| DPL | ⊕ 1968 | ↓ ↑ ⊕ Experimental and other | ⊕ Generalised programming | ⊕ United States | Dataless Programming Language |
| DPL | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ 2d shape | ⊕ United States | |
| DYL250 | ⊕ 1968 | ⊕ Hierarchical DB | ⊕ United States | ||
| EASY ENGLISH | ⊕ 1968 | ↓ ↑ ⊕ Business Data Processing | ⊕ Ad hoc query languages | ⊕ United States | Information retrieval language |
| EDIT | ⊕ 1968 | ↓ ↑ ⊕ On-Line | ⊕ United States | ||
| ELF | ⊕ 1968 | ⊕ Macros | ⊕ United States | ||
| English | ⊕ 1968 | ⊕ Other US historic | ⊕ United States | English as a programming language | |
| EOL | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ Experiment control and recording | ⊕ United States | Experimenter Oriented Language |
| ESPOL | ⊕ 1968 | ⊕ Other Algol 60s | ⊕ United States | Executive System Problem Oriented Language | |
| FFL | ⊕ 1968 | ↓ ↑ ⊕ On-Line | ⊕ United States | ||
| FMILL | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ Numerical Control | ⊕ United States | NC language |
| FOCAL | ⊕ 1968 | ↓ ↑ ⊕ On-Line | ⊕ Generation of JOSS I | ⊕ United States | FOrmula CALculator. - JOSS family |
| FOIL | ⊕ 1968 | ⊕ CAI languages | ⊕ United States | ||
| FORMAT-FORTRAN | ⊕ 1968 | ↓ ↑ ⊕ Numerical Scientific | ⊕ Non Standard FIV | ⊕ United States | |
| FRG | ⊕ 1968 | ⊕ United States | |||
| Gaelic | ⊕ 1968 | ⊕ External systems testing | ⊕ United States | ||
| GASP IIA | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ Event scheduling | ⊕ United States | GASP II with augmented filing system |
| GECENT | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ Numerical Control | ⊕ United States | NC language |
| General Purpose Graphic Language | ⊕ 1968 | ⊕ 2d shape | ⊕ United States | ||
| GIM II | ⊕ 1968 | ⊕ United States | Multi-dimensional data language | ||
| GL | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ 3-D Visual Languages | ⊕ United States | Language for 3d description |
| GLAF | ⊕ 1968 | ⊕ Reactive | ⊕ United States | ||
| Gordon | ⊕ 1968 | ↓ ↑ ⊕ String and List Processing | ⊕ Individual | ⊕ United States | |
| GPSS-10 | ⊕ 1968 | ⊕ Process interaction | ⊕ United States | GPSS for the PDP-10 | |
| GRAPPLE | ⊕ 1968 | ⊕ Graph | ⊕ United States | ||
| GRASPE | ⊕ 1968 | ↓ ↑ ⊕ Experimental and other | ⊕ Graph | ⊕ United States | |
| GRASS | ⊕ 1968 | ⊕ 2d shape | ⊕ United States | ||
| GRIN94 | ⊕ 1968 | ⊕ United States | |||
| GSP | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ Plan languages | ⊕ United States | Space planning language |
| GSP | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ 2d shape | ⊕ United States | Fortran graphics subroutine package |
| G-WIZ | ⊕ 1968 | ⊕ Macros | ⊕ United States | ||
| HELP | ⊕ 1968 | ⊕ United States | |||
| Hydro | ⊕ 1968 | ⊕ Hydraulic/hydrological | ⊕ United States | ||
| IAM | ⊕ 1968 | ↓ ↑ ⊕ Non-numerical Scientific | ⊕ Algebraic | ⊕ United States | Interactive Algebraic Manipulation |
| IBAL | ⊕ 1968 | ↓ ↑ ⊕ Excluded from Sammet | ⊕ Microprogramming and HLAs | ⊕ United States | ILLIAC HL Assembler |
| ICT | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ Cell-based | ⊕ United States | Satellite graphics language |
| INFORM | ⊕ 1968 | ⊕ CAI languages | ⊕ United States | ||
| Inscan | ⊕ 1968 | ↓ ↑ ⊕ Business Data Processing | ⊕ Grammar and Syntax-oriented | ⊕ United States | Syntax-directed language processor |
| INTRO-STAT | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ Statistical | ⊕ United States | |
| LAM | ⊕ 1968 | ⊕ Algebraic | ⊕ United States | ||
| LEAP | ⊕ 1968 | ↓ ↑ ⊕ String and List Processing | ⊕ Map/Dictionary | ⊕ United States | Language for the Expression of Associative Procedures |
| LISP A | ⊕ 1968 | ↓ ↑ ⊕ String and List Processing | ⊕ Lazy Evaluation LISPs | ⊕ United States | |
| LRLTRAN | ⊕ 1968 | ↓ ↑ ⊕ Experimental and other | ⊕ Non Standard FIV | ⊕ United States | Vector processing FORTRAN extension |
| MacAims | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ RDBMs | ⊕ United States | Set-based data retrieval language |
| MAD List Language | ⊕ 1968 | ↓ ↑ ⊕ String and List Processing | ⊕ List | ⊕ United States | Extensions of MAD for list processing |
| MAO | ⊕ 1968 | ⊕ Algebraic | ⊕ United States | Astronomical maths language | |
| MARK IV | ⊕ 1968 | ↓ ↑ ⊕ Business Data Processing | ⊕ Hierarchical DB | ⊕ United States | |
| MARK V | ⊕ 1968 | ⊕ United States | |||
| MATHPAC | ⊕ 1968 | ⊕ Algebraic | ⊕ United States | ||
| McG | ⊕ 1968 | ⊕ Other lambda | ⊕ United States | ||
| MERMAID | ⊕ 1968 | ⊕ Hybrid | ⊕ United States | ||
| META-SYMBOL | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ Macroassemblers | ⊕ United States | SDS Macroassembler |
| MIX | ⊕ 1968 | ↓ ↑ ⊕ Experimental and other | ⊕ Symbolic assemblers | ⊕ United States | MIX Assembly Language |
| MLISP | ⊕ 1968 | ↓ ↑ ⊕ String and List Processing | ⊕ Lazy Evaluation LISPs | ⊕ United States | |
| MOMS | ⊕ 1968 | ↓ ↑ ⊕ On-Line | ⊕ Arithmetic | ⊕ United States | Interactive maths system at UMich |
| Morton and Stephens interactive | ⊕ 1968 | ⊕ Other visual query languages | ⊕ United States | ||
| MSU STAT | ⊕ 1968 | ⊕ Statistical | ⊕ United States | ||
| MULTICS PL/I | ⊕ 1968 | ⊕ Multics PL/Is | ⊕ United States | Production PL/I compiler | |
| MULTIVARIATE | ⊕ 1968 | ⊕ Statistical | ⊕ United States | ||
| NEXUS | ⊕ 1968 | ⊕ Semantic descriptions | ⊕ United States | ||
| NPSTAT | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ Statistical | ⊕ United States | Stats package from MSU |
| NUMERISCRIPT | ⊕ 1968 | ⊕ Numerical Control | ⊕ United States | ||
| OLDAS | ⊕ 1968 | ⊕ Expression oriented | ⊕ United States | ||
| OPAK | ⊕ 1968 | ↓ ↑ ⊕ On-Line | ⊕ Other Conversational | ⊕ United States | |
| OSL | ⊕ 1968 | ⊕ Other algorithmic | ⊕ United States | Operating System Language | |
| PA2 | ⊕ 1968 | ⊕ Statistical | ⊕ United States | Problem Analysis Language | |
| PAL | ⊕ 1968 | ⊕ Other lambda | ⊕ United States | Pedagogic Algorithmic Language | |
| PAL | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ Plan languages | ⊕ United States | |
| Pascal-F | ⊕ 1968 | ↓ ↑ ⊕ Multi-purpose | ⊕ Pascals | ⊕ United States | |
| PCDP | ⊕ 1968 | ⊕ Macroassemblers | ⊕ United States | ||
| PDEL | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ Difference Equations | ⊕ United States | Partial differential equation system implemented |
| PI | ⊕ 1968 | ⊕ Macros | ⊕ United States | Princeton Interactive compiler-compiler | |
| PILOT | ⊕ 1968 | ⊕ CAI languages | ⊕ United States | Computer aided instruction language | |
| PL/A | ⊕ 1968 | ⊕ Other PL/Is | ⊕ United States | Adaptation of PL/ACME | |
| PL/I-FORMAC | ⊕ 1968 | ↓ ↑ ⊕ Non-numerical Scientific | ⊕ Formulaic | ⊕ United States | |
| PL/S | ⊕ 1968 | ⊕ Other PL/Is | ⊕ United States | Programming Language/Systems | |
| PLACE | ⊕ 1968 | ⊕ External systems testing | ⊕ United States | ||
| PLAGO | ⊕ 1968 | ⊕ Other PL/Is | ⊕ United States | ||
| PLAN | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ Plan languages | ⊕ United States | |
| PRECISE | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ Columnar sheets | ⊕ United States | Precision version of Omnitab |
| PROTEUS | ⊕ 1968 | ⊕ Other PL/Is | ⊕ United States | ||
| REFORM | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ Columnar sheets | ⊕ United States | |
| REL | ⊕ 1968 | ↓ ↑ ⊕ Experimental and other | ⊕ Grammar and Syntax-oriented | ⊕ United States | Rapidly Extensible Language |
| ROMANCE | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ Numerical Control | ⊕ United States | 1130 NC Language |
| RPG III | ⊕ 1968 | ↓ ↑ ⊕ Business Data Processing | ⊕ Report Generators | ⊕ United States | |
| SABRE PL/I | ⊕ 1968 | ⊕ Other PL/Is | ⊕ United States | PL/I dialect for use in the SABRE system | |
| SAIL | ⊕ 1968 | ⊕ Map/Dictionary | ⊕ United States | Stanford Artificial Intelligence Language | |
| Scope FORMAC | ⊕ 1968 | ⊕ United States | |||
| SMALL | ⊕ 1968 | ⊕ United States | Timeshare language at UMass Amherst | ||
| SMP | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ Decision tables | ⊕ United States | Decision table language |
| SNAP | ⊕ 1968 | ⊕ Individual | ⊕ United States | ||
| SPARTA | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ 2d shape | ⊕ United States | Line drawing program |
| SPEAL | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ Differential Equations | ⊕ United States | USAF Electronic simulations language |
| STAG | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ Intermediate languages and VMs | ⊕ United States | Symbolic intermediate language for AUERBACH Inscan |
| STAPL | ⊕ 1968 | ⊕ Other PL/Is | ⊕ United States | Expermintal PL/I | |
| Stark algorithm language | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ Other algorithmic | ⊕ United States | Language for showing provable algorithms |
| STAT 3600 | ⊕ 1968 | ⊕ Statistical | ⊕ United States | ||
| STDS | ⊕ 1968 | ⊕ Set | ⊕ United States | Set based language | |
| STRUDL II | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ Civil | ⊕ United States | STRUctured Design Language |
| Suntran | ⊕ 1968 | ⊕ Decision tables | ⊕ United States | Sun Fortran Decision table language | |
| SYMFORM | ⊕ 1968 | ⊕ United States | |||
| TAG | ⊕ 1968 | ⊕ Robotics | ⊕ United States | ||
| TCL | ⊕ 1968 | ⊕ Other Conversational | ⊕ United States | Tymshare Conversational Language | |
| TELCOMP II | ⊕ 1968 | ⊕ United States | |||
| TERMAC | ⊕ 1968 | ↓ ↑ ⊕ Experimental and other | ⊕ Matrix | ⊕ United States | Matrix language |
| Textbook Machine Language | ⊕ 1968 | ↓ ↑ ⊕ Multi-purpose | ⊕ Symbolic assemblers | ⊕ United States | Paper symbolic assembler |
| TOTAL | ⊕ 1968 | ⊕ RDBMs | ⊕ United States | Cincom's 4gl database language | |
| TPS | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ Tree | ⊕ United States | Tree Pruning System |
| TRAMP | ⊕ 1968 | ↓ ↑ ⊕ String and List Processing | ⊕ Map/Dictionary | ⊕ United States | Associative memory language |
| TSAR | ⊕ 1968 | ↓ ↑ ⊕ Experimental and other | ⊕ Statistical | ⊕ United States | |
| USS STAT | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ Statistical | ⊕ United States | United Steel Statistics |
| Woodbury | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ Syntactical descriptions | ⊕ United States | Image description/manipulation language |
| WRITEACOURSE | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ CAI languages | ⊕ United States | |
| ZAP | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | ⊕ Numerical Control | ⊕ United States | NC language |