| ABACUS 10 | 1968 | ↓⊕Generation of JOSS I | ↓⊕United States | Data General JOSS |
| ACTION | 1968 | ↓⊕Numerical Control | ↓⊕France | |
| ADMINS | 1968 | ↓⊕Other DPLs | ↓⊕United States | MIT Querying system |
| AID | 1968 | ↓⊕Generation of JOSS I | ↓⊕United States | PDP-10 Joss II |
| AL | 1968 | ↓⊕Generation of JOSS I | ↓⊕United States | The Artificial Language |
| ALGEK-U | 1968 | ↓⊕COBOL coeval | ↓⊕Russian Federation | Subset of Algek for Minsk 2 |
| ALGOL 68 | 1968 | ↓⊕True ALGOL68s | ↓⊕International | 3rd generation ALGOL |
| AltMode | 1968 | | ↓⊕United Kingdom | |
| AMBIT/G | 1968 | ↓⊕Symbolic | ↓⊕United States | Ambit symbolic package for graphs |
| AMPPL-I | 1968 | ↓⊕Map/Dictionary | ↓⊕United States | Associative array extensions to FORTRAN IV |
| Anderson 1968 | 1968 | ↓⊕Multiline | ↓⊕United States | Graphical input language |
| ANIMATOR | 1968 | ↓⊕Animation | ↓⊕United States | ABimation language |
| ANSIR | 1968 | ↓⊕External systems testing | ↓⊕France | Language for patching and checking analog and hybrid computers |
| APL with graphic extensions | 1968 | ↓⊕Map/Dictionary | ↓⊕United States | Associative graphics language |
| APPLE | 1968 | ↓⊕Array | ↓⊕United States | Revision of APL for the Illiac IV. |
| Ariel | 1968 | ↓⊕Array | ↓⊕United States | |
| AS-IST | 1968 | ↓⊕Ad hoc query languages | ↓⊕United States | |
| ATF | 1968 | ↓⊕Symbolic | ↓⊕France | |
| ATLAS | 1968 | ↓⊕External systems testing | ↓⊕United States | Avionics test language |
| AUT-68 | 1968 | ↓⊕Symbolic | ↓⊕Netherlands | |
| AUTRAN | 1968 | ↓⊕External systems control | ↓⊕United States | |
| Base Language | 1968 | ↓⊕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 | ↓⊕2d shape | ↓⊕United States | Graphical simulation system |
| BASYS | 1968 | ↓⊕Scientific Basics | ↓⊕United Kingdom | Extended BASIC |
| Bernstein | 1968 | ↓⊕Multiline | ↓⊕United States | Maths input language |
| BETAB-68 | 1968 | ↓⊕Decision tables | ↓⊕Sweden | GENIUS ALGOL decision table extensions |
| BL/I | 1968 | | ↓⊕Japan | |
| B-LINE | 1968 | ↓⊕2d shape | ↓⊕United States | |
| BLITZ | 1968 | ↓⊕Ad hoc query languages | ↓⊕United States | |
| BMT | 1968 | ↓⊕Event scheduling | ↓⊕United States | Graphical extensions to GPSS |
| Brilliant | 1968 | ↓⊕Markovs | ↓⊕United Kingdom | |
| BSS | 1968 | ↓⊕Event scheduling | ↓⊕United States | |
| BSURF | 1968 | ↓⊕Numerical Control | ↓⊕United States | NC language |
| Bugliarello | 1968 | ↓⊕Hydraulic/hydrological | ↓⊕United States | Hydrological POL system |
| BUILD | 1968 | ↓⊕Macros | ↓⊕United States | |
| CADETRAN | 1968 | | ↓⊕United States | |
| CAL | 1968 | ↓⊕Generation of JOSS I | ↓⊕United States | Course Author Language |
| Calgary ALGOL | 1968 | ↓⊕True ALGOL60s | ↓⊕Canada | |
| CAMA | 1968 | ↓⊕Arithmetic | ↓⊕United States | Michigan interactive maths system |
| CAMAL | 1968 | ↓⊕Algebraic | ↓⊕United Kingdom | CAMbridge ALgebra system |
| Cameron chemical language | 1968 | ↓⊕Chemical formula languages | ↓⊕United Kingdom | Chemical engineering language |
| CAML | 1968 | ↓⊕Animation | ↓⊕United States | Animation language |
| CAMP | 1968 | ↓⊕Animation | ↓⊕United States | 2d Animation system |
| CAN | 1968 | ↓⊕Generation of JOSS I | ↓⊕United States | FOCAL dialect |
| CARDIAC | 1968 | ↓⊕Symbolic assemblers | ↓⊕United States | |
| CARPS | 1968 | ↓⊕Ad hoc query languages | ↓⊕United States | Word-problems language |
| Catalyst | 1968 | ↓⊕Generation of JOSS I | ↓⊕United States | |
| CHAMP | 1968 | ↓⊕Substrings | ↓⊕United States | String-conscious algol 60 variant |
| CIDAS | 1968 | ↓⊕Expression oriented | ↓⊕United States | Interactive dialect of MIDAS |
| CINIC | 1968 | ↓⊕Street basics | ↓⊕United States | DEC teaching subset of BASIC |
| City University Conversational Fortran | 1968 | | ↓⊕United Kingdom | |
| CL6 | 1968 | ↓⊕List | ↓⊕United States | |
| CLIC | 1968 | | ↓⊕United Kingdom | |
| COBOL-68 | 1968 | ↓⊕COBOL-68 | ↓⊕United States | ANS COBOL ANS X3.23-1968 |
| COCOA | 1968 | ↓⊕Text analysis | ↓⊕United Kingdom | Language for literary analysis |
| COMPAC | 1968 | ↓⊕Other US historic | ↓⊕United States | UNIVAC Compiler |
| Compel | 1968 | ↓⊕Single-assignment | ↓⊕United States | Single assignment language |
| COPI | 1968 | ↓⊕CAI languages | ↓⊕Germany | Computer Oriented Programmed Instruction |
| Coursewriter III | 1968 | ↓⊕CAI languages | ↓⊕United States | |
| CTL | 1968 | ↓⊕External systems testing | ↓⊕United States | Testing language |
| Data Structures Language | 1968 | ↓⊕Other IAL Coeval | ↓⊕United States | MAD dialect with extensions for lists and graphics |
| DATANAL | 1968 | ↓⊕Statistical | ↓⊕United States | |
| DBL | 1968 | | ↓⊕United States | |
| DDL | 1968 | ↓⊕Digital | ↓⊕United States | Digital Design Language |
| DETRAN | 1968 | ↓⊕Decision tables | ↓⊕United States | Decision table language |
| DIAMAG 2 | 1968 | ↓⊕True ALGOL60s | ↓⊕France | Time-sharing Algol 60 |
| Diamond | 1968 | ↓⊕Markovs | ↓⊕United Kingdom | |
| DIFTRAN | 1968 | ↓⊕Non Standard FIV | ↓⊕Israel | Hebrew character based programming language |
| DIM | 1968 | ↓⊕Reactive | ↓⊕United States | Interactive visual language |
| DISPLAYTRAN | 1968 | ↓⊕Other visual query languages | ↓⊕United States | |
| DITCH | 1968 | ↓⊕CAI languages | ↓⊕United States | |
| DLT | 1968 | ↓⊕Decision tables | ↓⊕United States | Decision table generator |
| DMS | 1968 | ↓⊕Report Generators | ↓⊕United States | |
| DPL | 1968 | ↓⊕Hierarchical DB | ↓⊕United States | Data Processing Language |
| DPL | 1968 | ↓⊕Generalised programming | ↓⊕United States | Dataless Programming Language |
| DPL | 1968 | ↓⊕2d shape | ↓⊕United States | |
| DYL250 | 1968 | ↓⊕Hierarchical DB | ↓⊕United States | |
| EASY ENGLISH | 1968 | ↓⊕Ad hoc query languages | ↓⊕United States | Information retrieval language |
| EDIT | 1968 | | ↓⊕United States | |
| ELF | 1968 | ↓⊕Macros | ↓⊕United States | |
| EMERS | 1968 | | ↓⊕Japan | |
| English | 1968 | ↓⊕Other US historic | ↓⊕United States | English as a programming language |
| EOL | 1968 | ↓⊕Experiment control and recording | ↓⊕United States | Experimenter Oriented Language |
| EOL-2 | 1968 | ↓⊕Grammar and Syntax-oriented | ↓⊕Poland | Expression Oriented Language |
| ESPOL | 1968 | ↓⊕Other Algol 60s | ↓⊕United States | Executive System Problem Oriented Language |
| Eulalie | 1968 | ↓⊕2d shape | ↓⊕France | Conversational graphical programming system |
| Euphemie | 1968 | ↓⊕Reactive | ↓⊕France | Hybrid graphical structural programming language |
| EXAPT 3 | 1968 | ↓⊕Numerical Control | ↓⊕Germany | NC languages capable of contouring |
| FFL | 1968 | | ↓⊕United States | |
| FMILL | 1968 | ↓⊕Numerical Control | ↓⊕United States | NC language |
| FOCAL | 1968 | ↓⊕Generation of JOSS I | ↓⊕United States | FOrmula CALculator. - JOSS family |
| FOIL | 1968 | ↓⊕CAI languages | ↓⊕United States | |
| FORDESK IV | 1968 | ↓⊕Non Standard FIV | ↓⊕Australia | Interactive FORTRAN IV |
| FORMAT-FORTRAN | 1968 | ↓⊕Non Standard FIV | ↓⊕United States | |
| FRG | 1968 | | ↓⊕United States | |
| Gaelic | 1968 | ↓⊕External systems testing | ↓⊕United States | |
| GAMMA | 1968 | ↓⊕Algebraic | ↓⊕Switzerland | CERN port of Culler-Fried System |
| GAMMA | 1968 | ↓⊕Activity scanning | ↓⊕Norway | Evolution of SIMULA |
| GASP IIA | 1968 | ↓⊕Event scheduling | ↓⊕United States | GASP II with augmented filing system |
| GEA | 1968 | ↓⊕Graph | ↓⊕Italy | Graph Extended ALGOL |
| GECENT | 1968 | ↓⊕Numerical Control | ↓⊕United States | NC language |
| General Purpose Graphic Language | 1968 | ↓⊕2d shape | ↓⊕United States | |
| GENSTAT | 1968 | ↓⊕Statistical | ↓⊕Australia | CSIRO stats package |
| GIM II | 1968 | | ↓⊕United States | Multi-dimensional data language |
| GIN | 1968 | ↓⊕Macroassemblers | ↓⊕United Kingdom | |
| GL | 1968 | ↓⊕3-D Visual Languages | ↓⊕United States | Language for 3d description |
| GLAF | 1968 | ↓⊕Reactive | ↓⊕United States | |
| GMAP | 1968 | ↓⊕Macroassemblers | ↓⊕France | |
| Gordon | 1968 | ↓⊕Individual | ↓⊕United States | |
| GPSS-10 | 1968 | ↓⊕Process interaction | ↓⊕United States | GPSS for the PDP-10 |
| GRAPPLE | 1968 | ↓⊕Graph | ↓⊕United States | |
| GRASPE | 1968 | ↓⊕Graph | ↓⊕United States | |
| GRASS | 1968 | ↓⊕2d shape | ↓⊕United States | |
| GRIN94 | 1968 | | ↓⊕United States | |
| GSP | 1968 | ↓⊕Plan languages | ↓⊕United States | Space planning language |
| GSP | 1968 | ↓⊕2d shape | ↓⊕United States | Fortran graphics subroutine package |
| GULP | 1968 | ↓⊕Grammar and Syntax-oriented | ↓⊕United Kingdom | |
| G-WIZ | 1968 | ↓⊕Macros | ↓⊕United States | |
| HELP | 1968 | | ↓⊕United States | |
| Hydro | 1968 | ↓⊕Hydraulic/hydrological | ↓⊕United States | |
| IAM | 1968 | ↓⊕Algebraic | ↓⊕United States | Interactive Algebraic Manipulation |
| IBAL | 1968 | ↓⊕Microprogramming and HLAs | ↓⊕United States | ILLIAC HL Assembler |
| ICT | 1968 | ↓⊕Cell-based | ↓⊕United States | Satellite graphics language |
| INFORM | 1968 | ↓⊕CAI languages | ↓⊕United States | |
| Inscan | 1968 | ↓⊕Grammar and Syntax-oriented | ↓⊕United States | Syntax-directed language processor |
| INTRO-STAT | 1968 | ↓⊕Statistical | ↓⊕United States | |
| JEAN | 1968 | ↓⊕Generation of JOSS I | ↓⊕United Kingdom | |
| KOBRA | 1968 | ↓⊕Numerical Control | ↓⊕Norway | NC language |
| Lagrol | 1968 | ↓⊕2d shape | ↓⊕France | Graphics language |
| LAM | 1968 | ↓⊕Algebraic | ↓⊕United States | |
| LEAP | 1968 | ↓⊕Map/Dictionary | ↓⊕United States | Language for the Expression of Associative Procedures |
| LISP A | 1968 | ↓⊕Lazy Evaluation LISPs | ↓⊕United States | |
| LOGOL | 1968 | ↓⊕Ring | ↓⊕Poland | String-manipulation language |
| LRLTRAN | 1968 | ↓⊕Non Standard FIV | ↓⊕United States | Vector processing FORTRAN extension |
| MacAims | 1968 | ↓⊕RDBMs | ↓⊕United States | Set-based data retrieval language |
| MAD List Language | 1968 | ↓⊕List | ↓⊕United States | Extensions of MAD for list processing |
| MADCAP | 1968 | | | |
| MAO | 1968 | ↓⊕Algebraic | ↓⊕United States | Astronomical maths language |
| MARK IV | 1968 | ↓⊕Hierarchical DB | ↓⊕United States | |
| MARK V | 1968 | | ↓⊕United States | |
| MATHPAC | 1968 | ↓⊕Algebraic | ↓⊕United States | |
| MAZE | 1968 | | ↓⊕Japan | |
| McG | 1968 | ↓⊕Other lambda | ↓⊕United States | |
| MERMAID | 1968 | ↓⊕Hybrid | ↓⊕United States | |
| META-SYMBOL | 1968 | ↓⊕Macroassemblers | ↓⊕United States | SDS Macroassembler |
| MINIAPT | 1968 | ↓⊕Numerical Control | ↓⊕Germany | Minicomputer APT |
| Minority report Algol 68 | 1968 | ↓⊕True ALGOL60s | ↓⊕International | |
| MIX | 1968 | ↓⊕Symbolic assemblers | ↓⊕United States | MIX Assembly Language |
| MLISP | 1968 | ↓⊕Lazy Evaluation LISPs | ↓⊕United States | |
| MOMS | 1968 | ↓⊕Arithmetic | ↓⊕United States | Interactive maths system at UMich |
| Morton and Stephens interactive | 1968 | ↓⊕Other visual query languages | ↓⊕United States | |
| MRC Picture Language | 1968 | ↓⊕Cell-based | ↓⊕United Kingdom | Language for analysis and manipulation of images |
| MSU STAT | 1968 | ↓⊕Statistical | ↓⊕United States | |
| MULTICS PL/I | 1968 | ↓⊕Multics PL/Is | ↓⊕United States | Production PL/I compiler |
| MULTIVARIATE | 1968 | ↓⊕Statistical | ↓⊕United States | |
| NEATER | 1968 | | | |
| NELAPT | 1968 | ↓⊕Numerical Control | ↓⊕United Kingdom | CNC language |
| NEXUS | 1968 | ↓⊕Semantic descriptions | ↓⊕United States | |
| Nonpareil | 1968 | ↓⊕Markovs | ↓⊕United Kingdom | |
| NPSTAT | 1968 | ↓⊕Statistical | ↓⊕United States | Stats package from MSU |
| NUMERISCRIPT | 1968 | ↓⊕Numerical Control | ↓⊕United States | |
| OLDAS | 1968 | ↓⊕Expression oriented | ↓⊕United States | |
| OPAK | 1968 | ↓⊕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 | ↓⊕Plan languages | ↓⊕United States | |
| PANON-2 | 1968 | ↓⊕Patterns | ↓⊕Italy | Pattern-directed symbol manipulation language |
| Pascal-F | 1968 | ↓⊕Pascals | ↓⊕United States | |
| PCDP | 1968 | ↓⊕Macroassemblers | ↓⊕United States | |
| PDEL | 1968 | ↓⊕Difference Equations | ↓⊕United States | Partial differential equation system implemented |
| Pearl | 1968 | ↓⊕Markovs | ↓⊕United Kingdom | |
| PI | 1968 | ↓⊕Macros | ↓⊕United States | Princeton Interactive compiler-compiler |
| PILOT | 1968 | ↓⊕CAI languages | ↓⊕United States | Computer aided instruction language |
| PL/0 | 1968 | ↓⊕Other PL/Is | ↓⊕Australia | UNSW PL/I |
| PL/A | 1968 | ↓⊕Other PL/Is | ↓⊕United States | Adaptation of PL/ACME |
| PL/I-FORMAC | 1968 | ↓⊕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 | ↓⊕Plan languages | ↓⊕United States | |
| POPPY | 1968 | ↓⊕Stack | ↓⊕United Kingdom | POP-2 for the PDP-11 |
| PRECISE | 1968 | ↓⊕Columnar sheets | ↓⊕United States | Precision version of Omnitab |
| PROTEUS | 1968 | ↓⊕Other PL/Is | ↓⊕United States | |
| PROTRAN | 1968 | ↓⊕External systems control | ↓⊕United Kingdom | Process control language |
| PSYCHOL | 1968 | ↓⊕Experiment control and recording | ↓⊕United Kingdom | language for psychological experimentation |
| RC-Fortran | 1968 | ↓⊕FORTRAN IV standard | ↓⊕Denmark | Fortran for the RC 4000 |
| REFORM | 1968 | ↓⊕Columnar sheets | ↓⊕United States | |
| REL | 1968 | ↓⊕Grammar and Syntax-oriented | ↓⊕United States | Rapidly Extensible Language |
| RND | 1968 | ↓⊕Other Russian/Soviet | ↓⊕Russian Federation | |
| ROMANCE | 1968 | ↓⊕Numerical Control | ↓⊕United States | 1130 NC Language |
| RPG III | 1968 | ↓⊕Report Generators | ↓⊕United States | |
| Ruby | 1968 | ↓⊕Markovs | ↓⊕United Kingdom | |
| 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 |
| SAL | 1968 | ↓⊕Algebraic | ↓⊕United Kingdom | Simple Algebraic Language |
| Scope FORMAC | 1968 | | ↓⊕United States | |
| SEMIPAL | 1968 | ↓⊕Symbolic | ↓⊕Netherlands | |
| SIGMA | 1968 | ↓⊕Macroassemblers | ↓⊕Russian Federation | BESM Macroprocessing system |
| SL/I | 1968 | ↓⊕Other PL/Is | ↓⊕Canada | Toronto PL/I |
| SMALL | 1968 | | ↓⊕United States | Timeshare language at UMass Amherst |
| SMIR | 1968 | | ↓⊕United Kingdom | |
| SMP | 1968 | ↓⊕Decision tables | ↓⊕United States | Decision table language |
| SNAP | 1968 | ↓⊕Individual | ↓⊕United States | |
| SNOBOL-A | 1968 | ↓⊕Patterns | ↓⊕Russian Federation | SNOBOL with structures |
| SPARTA | 1968 | ↓⊕2d shape | ↓⊕United States | Line drawing program |
| SPEAL | 1968 | ↓⊕Differential Equations | ↓⊕United States | USAF Electronic simulations language |
| SPECOL | 1968 | ↓⊕Ad hoc query languages | ↓⊕United Kingdom | Querying language |
| STAG | 1968 | ↓⊕Intermediate languages and VMs | ↓⊕United States | Symbolic intermediate language for AUERBACH Inscan |
| STAP | 1968 | ↓⊕Formulaic | ↓⊕Netherlands | |
| STAPL | 1968 | ↓⊕Other PL/Is | ↓⊕United States | Expermintal PL/I |
| Stark algorithm language | 1968 | ↓⊕Other algorithmic | ↓⊕United States | Language for showing provable algorithms |
| STAT 3600 | 1968 | ↓⊕Statistical | ↓⊕United States | |
| STDS | 1968 | ↓⊕Set | ↓⊕United States | Set based language |
| Stockbrokers' Language | 1968 | | ↓⊕United Kingdom | |
| STRUDL II | 1968 | ↓⊕Civil | ↓⊕United States | STRUctured Design Language |
| Suntran | 1968 | ↓⊕Decision tables | ↓⊕United States | Sun Fortran Decision table language |
| SYMAP | 1968 | ↓⊕Numerical Control | ↓⊕France | |
| SYMFORM | 1968 | | ↓⊕United States | |
| SYMP(B) | 1968 | ↓⊕Numerical Control | ↓⊕Germany | NC Language |
| TABGEN | 1968 | ↓⊕Decision tables | ↓⊕Canada | Decision table language |
| TAG | 1968 | ↓⊕Robotics | ↓⊕United States | |
| TCL | 1968 | ↓⊕Other Conversational | ↓⊕United States | Tymshare Conversational Language |
| TELCOMP II | 1968 | | ↓⊕United States | |
| TERMAC | 1968 | ↓⊕Matrix | ↓⊕United States | Matrix language |
| Textbook Machine Language | 1968 | ↓⊕Symbolic assemblers | ↓⊕United States | Paper symbolic assembler |
| TOTAL | 1968 | ↓⊕RDBMs | ↓⊕United States | Cincom's 4gl database language |
| TPS | 1968 | ↓⊕Tree | ↓⊕United States | Tree Pruning System |
| TRAMP | 1968 | ↓⊕Map/Dictionary | ↓⊕United States | Associative memory language |
| Triplex Algol 60 | 1968 | ↓⊕True ALGOL60s | ↓⊕Germany | |
| TSAR | 1968 | ↓⊕Statistical | ↓⊕United States | |
| TUSTEP | 1968 | ↓⊕Editing and processing | ↓⊕Germany | |
| USS STAT | 1968 | ↓⊕Statistical | ↓⊕United States | United Steel Statistics |
| Woodbury | 1968 | ↓⊕Syntactical descriptions | ↓⊕United States | Image description/manipulation language |
| WRITEACOURSE | 1968 | ↓⊕CAI languages | ↓⊕United States | |
| ZAP | 1968 | ↓⊕Numerical Control | ↓⊕United States | NC language |