| ABACUS/X | 1970 | ↓⊕Generation of JOSS I | ↓⊕United States | Data General JOSS dialect |
| Abrams APL Machine | 1970 | | ↓⊕United States | Phil Abrams machine implementation of APL |
| ABSET | 1970 | ↓⊕Set | ↓⊕United Kingdom | Set-based language |
| Access | 1970 | ↓⊕Ad hoc query languages | ↓⊕United States | Pick query language |
| ACTRAN | 1970 | ↓⊕Hybrid | ↓⊕Germany | Hybrid simulation language |
| ADMINS/11 | 1970 | ↓⊕Information Retrieval | ↓⊕United States | ADMINS for the PDP/11 |
| AGSTAT | 1970 | ↓⊕Statistical | ↓⊕United States | Agricultural statistics package |
| AIDS | 1970 | ↓⊕Command systems | ↓⊕United States | Debugging system |
| ALEPH | 1970 | ↓⊕Grammar and Syntax-oriented | ↓⊕United Kingdom | |
| ALGAMS | 1970 | ↓⊕Other Russian/Soviet | ↓⊕Russian Federation | |
| Algol 6 | 1970 | ↓⊕True ALGOL60s | ↓⊕Denmark | Version 2 of RC Algol |
| ALGOL 68-R | 1970 | ↓⊕True ALGOL68s | ↓⊕United Kingdom | |
| ALMA | 1970 | ↓⊕Sound-Performance | ↓⊕United States | Music programming language |
| ALTEXT II | 1970 | ↓⊕Editing and processing | ↓⊕United States | |
| AMBIT/L | 1970 | ↓⊕List | ↓⊕United States | AMBIT symbolic system for lists |
| AMBIT/S | 1970 | ↓⊕Patterns | ↓⊕United States | Ambit symbolic system for strings |
| ANVAR | 1970 | ↓⊕Statistical | ↓⊕United States | Statistics processing system |
| APPLE | 1970 | ↓⊕Map/Dictionary | ↓⊕United States | |
| ARTA | 1970 | ↓⊕Animation | ↓⊕Yugoslavia | Interactive animation language |
| ASAP | 1970 | ↓⊕Hierarchical DB | ↓⊕United States | Event-aware DB language |
| Avtokod-M | 1970 | ↓⊕Other Russian/Soviet | ↓⊕Russian Federation | Autocode for Russian computers |
| B | 1970 | ↓⊕CPL, BCPL and B | ↓⊕United States | Systems Programming Language |
| BALMSETL | 1970 | ↓⊕Set | ↓⊕United States | |
| Basic Detap | 1970 | ↓⊕Decision tables | ↓⊕United States | |
| BESTOP50 | 1970 | ↓⊕Report Generators | ↓⊕United States | BESTOP language |
| BESTOPVL | 1970 | ↓⊕Report Generators | ↓⊕United States | |
| BIOMOD | 1970 | ↓⊕Expression oriented | ↓⊕United States | Biological systems simulation language |
| Buckle data structure language | 1970 | ↓⊕Map/Dictionary | ↓⊕Canada | |
| CAMPER | 1970 | ↓⊕3d shape | | |
| Cartoon Design | 1970 | | ↓⊕United Kingdom | |
| CDL | 1970 | ↓⊕Command systems | ↓⊕United States | Control Definition Language |
| CDL 1 | 1970 | ↓⊕Digital | ↓⊕United States | Computer Definition Language |
| CEMMA | 1970 | ↓⊕Expression oriented | ↓⊕Poland | |
| CFOR | 1970 | ↓⊕Non Standard FIV | ↓⊕United States | Univac conversational fortran |
| CHIC | 1970 | | ↓⊕Japan | |
| CIMS PL/I | 1970 | ↓⊕Other PL/Is | ↓⊕United States | Courant PL/I |
| CISP | 1970 | ↓⊕Plan languages | ↓⊕United States | |
| CISS | 1970 | | ↓⊕Japan | |
| CLASS | 1970 | ↓⊕Hybrid | ↓⊕United States | |
| CODIL | 1970 | ↓⊕Other DPLs | ↓⊕United Kingdom | Context-sensitive Information Manipulation language |
| CODIT | 1970 | ↓⊕Decision tables | ↓⊕United States | Decision table language |
| COIF | 1970 | ↓⊕2d shape | ↓⊕Italy | |
| Compact Detap | 1970 | ↓⊕Decision tables | ↓⊕United States | |
| Computran | 1970 | | | |
| COMSL | 1970 | | | |
| CONCISE | 1970 | | ↓⊕Japan | |
| COSMOS-2 | 1970 | | ↓⊕Japan | |
| CPL | 1970 | ↓⊕Other PL/Is | ↓⊕Japan | JIPDEC Conversational PL/I |
| CWIC | 1970 | ↓⊕Grammar and Syntax-oriented | ↓⊕United States | |
| CypherText | 1970 | ↓⊕Editing and processing | ↓⊕United States | |
| DAMN | 1970 | ↓⊕Mechanical | ↓⊕United States | |
| DARE/ELEVEN | 1970 | ↓⊕Difference Equations | ↓⊕United States | Continuous simulation languages |
| Data/BASIC | 1970 | ↓⊕Hierarchical DB | ↓⊕United States | Scripting language for PickOS |
| dataBASIC | 1970 | ↓⊕Ad hoc query languages | ↓⊕United States | |
| Dataflow | 1970 | | ↓⊕United States | |
| DATAFORM | 1970 | | | |
| Day state transitions | 1970 | ↓⊕State transition tables | ↓⊕United Kingdom | Transistion table system |
| DCALGOL | 1970 | ↓⊕True ALGOL60s | ↓⊕United States | Data Communications ALGOL |
| Decision Table Generator (Norway) | 1970 | ↓⊕Decision tables | | |
| DECISUS | 1970 | ↓⊕Decision tables | | |
| DECIUS | 1970 | ↓⊕Decision tables | ↓⊕United States | Decision table language |
| Delta | 1970 | ↓⊕Decision tables | ↓⊕United States | Decision table language |
| Denert | 1970 | ↓⊕Multiline | ↓⊕Germany | Two-dimensional Algol dialect |
| DETAB-70 | 1970 | ↓⊕Decision tables | ↓⊕United States | 1970 DETAB |
| DETOC | 1970 | ↓⊕Decision tables | ↓⊕United States | ISL decision table language |
| DG/L | 1970 | ↓⊕2d shape | ↓⊕United States | CAD language |
| DIAL | 1970 | ↓⊕Reactive | ↓⊕United States | |
| DIALS | 1970 | | ↓⊕Japan | |
| DIBOL | 1970 | ↓⊕Other DPLs | ↓⊕United States | |
| DIDOL | 1970 | ↓⊕W European algorithmic systems | ↓⊕Germany | |
| DISCOURSE | 1970 | ↓⊕Space planning | ↓⊕United States | |
| DMS | 1970 | | ↓⊕Japan | |
| DOLPHIN | 1970 | | ↓⊕United Kingdom | |
| Donaghey LP Language | 1970 | ↓⊕Optimisation and LP | | |
| DRAWL 70 | 1970 | ↓⊕2d shape | ↓⊕United States | Drawing language |
| DSPLD | 1970 | ↓⊕Digital | ↓⊕United States | |
| DTABL | 1970 | ↓⊕Decision tables | ↓⊕United States | Decision table language |
| DTP IV | 1970 | | | |
| DTT | 1970 | ↓⊕Decision tables | ↓⊕United States | Decision table language |
| DYNAMO II | 1970 | ↓⊕Expression oriented | ↓⊕United States | Dynamo in AED for 704 |
| DZHOSS | 1970 | ↓⊕Generation of JOSS I | ↓⊕Russian Federation | Russian cold-war clone of JOSS |
| ECAP II | 1970 | | ↓⊕United States | |
| ECL | 1970 | ↓⊕Grammar and Syntax-oriented | ↓⊕United States | Harvard Extensible Computer Language |
| ed | 1970 | ↓⊕Grammar and Syntax-oriented | ↓⊕United States | syntax-driven editor for unix |
| EL1 | 1970 | ↓⊕Grammar and Syntax-oriented | ↓⊕United States | Extensible Language |
| ELMOL | 1970 | ↓⊕Sound-Synthesis | ↓⊕United States | |
| EMILY | 1970 | | ↓⊕United States | |
| Eshkol Movement Language | 1970 | | | |
| ESP | 1970 | ↓⊕Algebraic | ↓⊕United States | Symbolic maths system |
| ESP | 1970 | ↓⊕Wirth Algols | ↓⊕United States | Extra Simple Pascal |
| EULER-G | 1970 | ↓⊕2d shape | ↓⊕United States | |
| FAIL | 1970 | ↓⊕Symbolic assemblers | ↓⊕United States | |
| FCPU | 1970 | ↓⊕Microprogramming and HLAs | ↓⊕Sweden | |
| FILMAN | 1970 | | ↓⊕Japan | |
| FIND 2 | 1970 | | ↓⊕United Kingdom | |
| FOCAL-11 | 1970 | ↓⊕Generation of JOSS I | ↓⊕United States | PDP-11 version of FOCAL |
| Ford-Columbia Input Language | 1970 | ↓⊕Sound-Synthesis | ↓⊕United States | Music programming language |
| FOREDECAL | 1970 | | ↓⊕France | |
| FORTRAN-FORMAC | 1970 | | ↓⊕Germany | |
| FORTRAN-RPG | 1970 | ↓⊕Report Generators | ↓⊕United States | |
| GAP | 1970 | ↓⊕Analog | ↓⊕France | 2d circuits description language |
| GAP | 1970 | ↓⊕Symbolic assemblers | ↓⊕United States | GEC assembler |
| Gecom/Tabsol | 1970 | ↓⊕Decision tables | | |
| Gentleman's Conversational Algol | 1970 | | | |
| GERTS III | 1970 | ↓⊕Event scheduling | ↓⊕United States | Graphical simulation system |
| GERTS III C | 1970 | ↓⊕Event scheduling | ↓⊕United States | Graphical simulation system |
| GERTS III Q | 1970 | ↓⊕Event scheduling | ↓⊕United States | Graphical simulation system |
| GERTS III R | 1970 | ↓⊕Event scheduling | ↓⊕United States | Graphical simulation system |
| GPDS | 1970 | ↓⊕Process interaction | ↓⊕United States | |
| GPSS V | 1970 | ↓⊕Event scheduling | ↓⊕United States | |
| Graphic-FORTRAN | 1970 | | ↓⊕Japan | |
| GRIN-2 | 1970 | ↓⊕2d shape | ↓⊕United States | GRaphical INteraction language |
| GROOVE | 1970 | ↓⊕Sound-Performance | | Musical composition language |
| GTPL | 1970 | ↓⊕Graph | | Graph-theoretical extensions to Fortran |
| HAL | 1970 | ↓⊕Multiline | ↓⊕United States | Spaceflight language |
| HEOPS | 1970 | | ↓⊕Russian Federation | Time-aware problem solving language |
| HGL | 1970 | ↓⊕Graph | ↓⊕United States | Hierarchical graph language |
| HPL | 1970 | ↓⊕Multics PL/Is | ↓⊕France | Bull PL/I |
| HYPAC | 1970 | ↓⊕Expression oriented | ↓⊕United States | Hybrid extensions to Pactolus |
| IDF | 1970 | ↓⊕CAI languages | ↓⊕United States | HP CAI language |
| IMAGE | 1970 | ↓⊕Space planning | ↓⊕United States | |
| IMP | 1970 | ↓⊕CPL, BCPL and B | ↓⊕United States | Extension of B with floating point |
| IMP 1.5 | 1970 | ↓⊕Early Autocodes | ↓⊕United Kingdom | |
| IMS | 1970 | | ↓⊕United States | |
| IMSL | 1970 | ↓⊕Statistical | ↓⊕United States | |
| INTERLISP-D | 1970 | ↓⊕Lazy Evaluation LISPs | ↓⊕United States | |
| INTUVAL | 1970 | ↓⊕2d shape | ↓⊕United States | Visual language for describing urban scapes |
| JASP | 1970 | ↓⊕Activity scanning | ↓⊕United States | Simulation language for a time-shared system |
| JOSTRAN | 1970 | ↓⊕Generation of JOSS I | ↓⊕United States | JOSS dialect for writing FORTRAN |
| Jym | 1970 | | ↓⊕France | |
| KLISP | 1970 | | ↓⊕Japan | |
| KWILT | 1970 | | ↓⊕United States | |
| L | 1970 | ↓⊕Macros | ↓⊕United Kingdom | |
| LABGOL | 1970 | ↓⊕Other Algol 60s | ↓⊕United States | Time-sharing algol |
| LEAP | 1970 | ↓⊕Map/Dictionary | ↓⊕United States | |
| LEPCGL | 1970 | ↓⊕Map/Dictionary | ↓⊕United States | LEAP with sets |
| LINDA | 1970 | ↓⊕Event scheduling | ↓⊕United States | Computer simulation language for LSI hardware |
| LISP 1.75 | 1970 | ↓⊕Lazy Evaluation LISPs | ↓⊕United States | |
| LLOGO | 1970 | ↓⊕2d shape | ↓⊕United States | LISP LOGO |
| Logic Design Language | 1970 | | ↓⊕United States | |
| LOGTAB | 1970 | ↓⊕Decision tables | ↓⊕United States | GE decision table system |
| LOWL | 1970 | ↓⊕Intermediate languages and VMs | ↓⊕United Kingdom | |
| LP-70 | 1970 | ↓⊕PL-360s | ↓⊕France | |
| LPG | 1970 | | | |
| LPL | 1970 | ↓⊕List | ↓⊕United States | List Programming Language |
| LUNAC | 1970 | | ↓⊕United Kingdom | |
| MALUS | 1970 | ↓⊕XPLs | ↓⊕United States | GM XPL |
| MANAGE | 1970 | | ↓⊕Japan | |
| MANOVA | 1970 | | ↓⊕United States | |
| MAQUEST | 1970 | ↓⊕Response languages | ↓⊕Israel | Questionairre processing language |
| MARSYAS | 1970 | | ↓⊕United States | |
| MEDCOMP | 1970 | | ↓⊕United States | |
| MERMAC | 1970 | | ↓⊕United States | |
| META/LISP | 1970 | ↓⊕Lazy Evaluation LISPs | ↓⊕United States | |
| microPLANNER | 1970 | ↓⊕Robotics | ↓⊕United States | LISP implementation of PLANNER |
| MIDAS | 1970 | | | |
| MIL | 1970 | ↓⊕Microprogramming and HLAs | ↓⊕United States | Micro Implementation Language |
| MIL | 1970 | ↓⊕CAI languages | ↓⊕United States | Minnesota Instructional Language |
| MINI-COBOL | 1970 | ↓⊕COBOL-68 | ↓⊕France | GE-BULL |
| MINIMOP Command Language | 1970 | | ↓⊕United Kingdom | |
| MIX/360 | 1970 | ↓⊕Symbolic assemblers | ↓⊕United States | Paper assembler for TAOCP |
| MODEL | 1970 | ↓⊕Event scheduling | ↓⊕United States | Computer simulation language for LSI hardware |
| MOP | 1970 | ↓⊕Animation | ↓⊕United States | Motion Picture generating language |
| MPL-1 | 1970 | ↓⊕Matrix | ↓⊕Japan | Matrix programming language |
| MRDS | 1970 | | | |
| MS | 1970 | | ↓⊕United States | |
| NASTRAN | 1970 | | ↓⊕United States | |
| NCL | 1970 | | ↓⊕United States | |
| NCL | 1970 | | ↓⊕United States | |
| NEATER 2 | 1970 | ↓⊕IBM PL/Is | ↓⊕United States | |
| Nevins | 1970 | | ↓⊕United States | |
| NEWBASIC | 1970 | | | |
| NL/l | 1970 | | ↓⊕Japan | |
| NUCLEOL | 1970 | ↓⊕Tree | ↓⊕United States | Tree-based list processing language |
| OGL | 1970 | | ↓⊕Japan | |
| OMNITAB II | 1970 | ↓⊕Columnar sheets | ↓⊕United States | Statistical analysis system |
| OPS | 1970 | ↓⊕RETE and production | ↓⊕United States | Official Production System |
| OSCAR | 1970 | ↓⊕Other Conversational | | Oregon State Conversational Aid to Research |
| OSIRIS | 1970 | ↓⊕Statistical | ↓⊕United States | |
| OSL/2 | 1970 | ↓⊕Other algorithmic | ↓⊕United States | Systems language |
| OSS | 1970 | | ↓⊕United States | |
| PAL | 1970 | ↓⊕Symbolic | ↓⊕Netherlands | |
| Pascal | 1970 | ↓⊕Pascals | ↓⊕Switzerland | Wirth's development of the Algol-W proposal |
| PDIL | 1970 | ↓⊕Protocol | ↓⊕France | |
| PDL | 1970 | ↓⊕2d shape | ↓⊕United States | Picture Description Language |
| PDP FLEX | 1970 | ↓⊕List | ↓⊕United States | |
| PEARL | 1970 | ↓⊕Assemblers | ↓⊕Germany | Real-Time Language |
| Pick BASIC | 1970 | ↓⊕Street basics | ↓⊕United States | |
| Picture Language | 1970 | ↓⊕2d shape | ↓⊕Australia | Language for describing line drawings |
| PILE | 1970 | ↓⊕Internal Translators | ↓⊕United States | |
| PL | 1970 | | ↓⊕Japan | |
| PL/C | 1970 | ↓⊕Other PL/Is | ↓⊕United States | Programming Language/Cornell |
| PL516 | 1970 | ↓⊕PL-360s | ↓⊕United Kingdom | |
| Plaine and Easie Code | 1970 | ↓⊕Sound-Synthesis | ↓⊕United States | Music programming language |
| PLEXPACK | 1970 | ↓⊕Gestalt programming | ↓⊕United States | |
| PLOTRAN | 1970 | | ↓⊕Japan | |
| POGO | 1970 | | ↓⊕United States | |
| Poly | 1970 | ↓⊕2d shape | ↓⊕United States | Geometrical language |
| Process Control Algol | 1970 | | ↓⊕Hungary | Algol 60 extended for process control |
| PROTOL | 1970 | ↓⊕External systems control | ↓⊕United Kingdom | Process control language |
| Protosynthex II | 1970 | ↓⊕Ad hoc query languages | ↓⊕United States | Evolution of Protosynthex |
| Protosynthex III | 1970 | ↓⊕Ad hoc query languages | ↓⊕United States | Evolution of Protosynthex |
| PSL | 1970 | ↓⊕Goal description | ↓⊕United States | Problem Statement Language |
| PSP | 1970 | ↓⊕Statistical | ↓⊕United States | Subsumption of several stats systems |
| PUSHUP | 1970 | ↓⊕Markovs | ↓⊕United States | |
| QUILT | 1970 | ↓⊕CAI languages | ↓⊕United States | CAI language |
| Rakugo | 1970 | | | |
| RAMOS | 1970 | ↓⊕2d shape | ↓⊕Australia | Rule-based graphcial analysis system |
| RAPID | 1970 | | ↓⊕Japan | |
| REDUCE 2 | 1970 | ↓⊕Algebraic | ↓⊕United States | Improved vesion of REDUCE with new format |
| Refal | 1970 | ↓⊕Other lambda | ↓⊕Russian Federation | Recursive functional algorithms |
| REF-ARF | 1970 | ↓⊕Goal description | ↓⊕United States | |
| RIDS-II | 1970 | | ↓⊕Japan | |
| Ring Fortran | 1970 | ↓⊕Ring | ↓⊕United Kingdom | Ring-storage package for Fortran |
| RLISP | 1970 | ↓⊕Lazy Evaluation LISPs | ↓⊕United States | Lisp without brackets |
| RMAG | 1970 | ↓⊕Macros | ↓⊕United States | Universal macro generator |
| Rochester Ultimate Weapon | 1970 | ↓⊕Individual | ↓⊕United States | |
| ROKDOC | 1970 | ↓⊕Statistical | ↓⊕United Kingdom | |
| RTPL | 1970 | | ↓⊕United States | |
| RUSSELL | 1970 | ↓⊕Lazy Evaluation FPs | ↓⊕United States | |
| S/360 | 1970 | ↓⊕Expression oriented | ↓⊕United States | Continuous simulations language |
| SAS | 1970 | ↓⊕Symbolic assemblers | ↓⊕Poland | Polish assembler |
| SCOPE | 1970 | | ↓⊕United States | Interactive graphics language |
| SCRAP | 1970 | ↓⊕Other Algol 60s | ↓⊕South Africa | |
| SCROLL | 1970 | ↓⊕Cell-based | ↓⊕United States | |
| SELDAM | 1970 | | ↓⊕Japan | |
| Sequential Pascal | 1970 | ↓⊕Pascals | ↓⊕United Kingdom | Simplified Pascal with monitors |
| SETL | 1970 | ↓⊕Set | ↓⊕United States | Set based programming language |
| SIAM | 1970 | ↓⊕Expression oriented | ↓⊕Germany | Simulation language |
| SIMSCRIPT II Plus | 1970 | ↓⊕Event scheduling | ↓⊕United States | Simulations language |
| SL/8 | 1970 | ↓⊕Other Algol 60s | ↓⊕United States | System Language for PDP-8 |
| SOCOMP | 1970 | ↓⊕Statistical | ↓⊕United States | |
| SOL/P350 | 1970 | | ↓⊕United Kingdom | |
| SOLOPO | 1970 | ↓⊕Other Russian/Soviet | ↓⊕Russian Federation | Russian space-computer language |
| SPG | 1970 | ↓⊕Macros | ↓⊕United Kingdom | |
| SPL | 1970 | ↓⊕Other PL/Is | ↓⊕United States | PRIME Systems Programming Language |
| SPL | 1970 | ↓⊕Decision tables | ↓⊕United States | Decision table software |
| SPL | 1970 | ↓⊕True Algol58s | ↓⊕United States | Space programming language |
| SPL/MK IV | 1970 | | | |
| SPM | 1970 | | ↓⊕Japan | |
| SSL | 1970 | | ↓⊕United States | Systems specification language |
| SSP PL/I | 1970 | ↓⊕Statistical | ↓⊕United States | IBM SSP 360 ported from Fortran |
| SSP/1130 | 1970 | ↓⊕Statistical | ↓⊕United States | |
| SSP/360 | 1970 | ↓⊕Statistical | ↓⊕United States | |
| STAGE2 | 1970 | ↓⊕Macros | ↓⊕United States | |
| STAT SYSTEM/1130 | 1970 | ↓⊕Statistical | ↓⊕United States | |
| STAT-D | 1970 | ↓⊕Statistical | ↓⊕United States | Honeywell distrubution stats package |
| STAT-K | 1970 | ↓⊕Statistical | ↓⊕United States | Honeywell distrubution stats package |
| STORM | 1970 | ↓⊕Statistical | ↓⊕United States | |
| SUMX | 1970 | ↓⊕Statistical | ↓⊕United States | LRL stats package |
| SuperBasic | 1970 | ↓⊕Street basics | ↓⊕United States | Tymeshare Basics |
| SVDS | 1970 | ↓⊕Hybrid | ↓⊕United States | Hybrid space simulation language |
| SWAP | 1970 | ↓⊕Macroassemblers | ↓⊕United States | High level macro assembler |
| SYNPROC | 1970 | ↓⊕Grammar and Syntax-oriented | ↓⊕France | |
| System/360 Decision Logic Translator | 1970 | ↓⊕Decision tables | ↓⊕United States | Decision table software |
| Tab70 | 1970 | ↓⊕Decision tables | ↓⊕United States | |
| TAM | 1970 | ↓⊕Multiline | ↓⊕United States | 2-D input maths language |
| TDMS | 1970 | ↓⊕Flat DB | ↓⊕United States | Time-Shared Data Management System |
| T-L6 | 1970 | | ↓⊕Japan | |
| TLISP | 1970 | ↓⊕Lazy Evaluation LISPs | ↓⊕United States | Texas UCI LISP |
| TOL | 1970 | ↓⊕Interface and windowing | ↓⊕United States | Telemetry oriented language from Boeing |
| TRACE III | 1970 | ↓⊕Text summary/MIS | ↓⊕United States | |
| TRAIL | 1970 | ↓⊕Decision tables | ↓⊕United States | |
| TRANS | 1970 | ↓⊕Activity scanning | ↓⊕United States | |
| TSAR | 1970 | ↓⊕Statistical | ↓⊕United States | Statistical system for taped-stored data |
| VAULT | 1970 | ↓⊕CAI languages | ↓⊕Canada | |
| VULCAN | 1970 | ↓⊕Macros | ↓⊕United States | String manipulation language |
| Watanabe | 1970 | ↓⊕Definition languages | ↓⊕Japan | |
| XCOM | 1970 | ↓⊕XPLs | ↓⊕Australia | |
| XEHM | 1970 | ↓⊕Decision tables | ↓⊕United Kingdom | |