| ABCL/c+ | 1988 | ↓ ↑ ⊕ Experimental and other | ⊕ CPL, BCPL and B | ⊕ Japan | Concurrent actor language based on C |
| ABCL/R | 1988 | ↓ ↑ ⊕ Experimental and other | ⊕ Actor | ⊕ Japan | Object-Based Concurrent Language |
| Accord | 1988 | Computer aided instruction language | |||
| Acore | 1988 | ⊕ United States | Concurrent OO Language | ||
| ACOS | 1988 | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | BBS language | |
| ACT I (Aural Comprehension Trainer I) | 1988 | Computer aided instruction language | |||
| Ada 9X | 1988 | ↓ ↑ ⊕ Multi-purpose | ⊕ United States | Review and update of Ada 83 | |
| Ada/Ed | 1988 | ⊕ United States | |||
| ADAM | 1988 | ⊕ Japan | |||
| AdLog | 1988 | ⊕ United States | |||
| AIS II | 1988 | Computer aided instruction language | |||
| AIS PC | 1988 | Computer aided instruction language | |||
| ALC | 1988 | ⊕ Germany | |||
| ALEPH | 1988 | ⊕ United States | |||
| Alex | 1988 | ||||
| Allen Communications | 1988 | Computer aided instruction language | |||
| Alltalk | 1988 | ↓ ↑ ⊕ Experimental and other | ⊕ United States | Smalltalk with persistency | |
| ALPS | 1988 | ⊕ United States | |||
| Amanda | 1988 | ⊕ Netherlands | SImple Miranda-like language | ||
| Amber | 1988 | ⊕ United States | |||
| AMLOG | 1988 | ↓ ↑ ⊕ Specialised Languages | ⊕ Japan | Equational logic programming language | |
| Andorra | 1988 | ↓ ↑ ⊕ Specialised Languages | ⊕ Japan | Hybrid of Parlog and Aurora | |
| ANU ML | 1988 | ⊕ Australia | |||
| APL*PLUS II | 1988 | ⊕ United States | |||
| APL-GPSS | 1988 | ⊕ Netherlands | |||
| APPLY | 1988 | ||||
| APS | 1988 | ⊕ Ukraine | |||
| ARLA | 1988 | ↓ ↑ ⊕ Specialised Languages | ⊕ Robotics | ⊕ United States | ABBA robotics language |
| ARTS/C | 1988 | ↓ ↑ ⊕ Experimental and other | ⊕ CPL, BCPL and B | ⊕ Japan | |
| A'UM | 1988 | ⊕ Japan | |||
| Aurora | 1988 | ⊕ United Kingdom | |||
| Authology | 1988 | Computer aided instruction language | |||
| Author | 1988 | Computer aided instruction language | |||
| AUTOLEV | 1988 | ↓ ↑ ⊕ Specialised Languages | ⊕ Modelling | ⊕ United States | Mechanical systems language |
| Avid | 1988 | Computer aided instruction language | |||
| BACK | 1988 | ↓ ↑ ⊕ Specialised Languages | ⊕ Frame languages | ⊕ Germany | Frame language |
| BER | 1988 | ↓ ↑ ⊕ Specialised Languages | ⊕ United Kingdom | Basic Encoding Rules | |
| Butterfly Portable Standard LISP | 1988 | ↓ ↑ ⊕ String and List Processing | ⊕ Lazy Evaluation LISPs | ⊕ United States | Portable Standard LISP on BBN Butterfly |
| C^2 | 1988 | Visual languages | |||
| C5 | 1988 | ↓ ↑ ⊕ Specialised Languages | ⊕ RETE and production | ⊕ United States | C based version of OPS-5 |
| CAL | 1988 | ⊕ Japan | ICOT Constraint Logic Programming Language | ||
| Camelot | 1988 | ||||
| CASE | 1988 | ⊕ United States | MOdule interconnection language | ||
| CASTE (Course Assembly System and Tutorial Environment) | 1988 | Computer aided instruction language | |||
| CAT/S | 1988 | Computer aided instruction language | |||
| CCL | 1988 | ⊕ United States | |||
| CCLU | 1988 | ↓ ↑ ⊕ Multi-purpose | ⊕ United Kingdom | Cambridge CLU | |
| CDS/Genesis | 1988 | Computer aided instruction language | |||
| Cecil | 1988 | ⊕ United States | |||
| CHDL | 1988 | ||||
| CHILL-88 | 1988 | ⊕ International | |||
| Chronolog 3d | 1988 | ⊕ Canada | |||
| CIEL | 1988 | ⊕ France | |||
| CLAS | 1988 | Computer aided instruction language | |||
| Classroom ACT(Aural Comprehension Trainer) | 1988 | Computer aided instruction language | |||
| CLiC | 1988 | ↓ ↑ ⊕ String and List Processing | ⊕ Strict evaluation LISPs | ⊕ Japan | |
| CLOS | 1988 | ⊕ United States | Common LISP Object System | ||
| CM Fortran | 1988 | ↓ ↑ ⊕ Numerical Scientific | ⊕ United States | Fortran for the CM | |
| CO2 | 1988 | ↓ ↑ ⊕ Business Data Processing | ⊕ France | Object-oriented database language | |
| Cobra | 1988 | Computer aided instruction language | |||
| Coherent Parallel C | 1988 | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | ||
| Computer Assisted Self Learning | 1988 | Computer aided instruction language | |||
| Concurrent C++ | 1988 | ⊕ United States | Concurrent C with classes | ||
| Concurrent Development Series | 1988 | Computer aided instruction language | |||
| Concurrent Pascal-S | 1988 | ↓ ↑ ⊕ Multi-purpose | ⊕ Pascals | ⊕ Israel | Concurrent Pascal dialect |
| ConIcon | 1988 | ⊕ United States | |||
| ConMan | 1988 | ⊕ United States | Visual Programming Language | ||
| Consulting Expert System | 1988 | Computer aided instruction language | |||
| Course of Action | 1988 | Computer aided instruction language | |||
| Coursemaster | 1988 | Computer aided instruction language | |||
| CPAL | 1988 | Computer aided instruction language | |||
| C-Pilot | 1988 | ⊕ United States | Computer aided instruction language | ||
| Creative Coursewriter | 1988 | Computer aided instruction language | |||
| CSL | 1988 | ||||
| CSR Trainer - 4000 | 1988 | Computer aided instruction language | |||
| CST | 1988 | ↓ ↑ ⊕ Experimental and other | ⊕ United States | Concurrent OO Language | |
| CYCL | 1988 | ↓ ↑ ⊕ Specialised Languages | ⊕ Frame languages | ⊕ United States | Frame language for CYC |
| Daisy | 1988 | ⊕ United States | |||
| DBPL | 1988 | ⊕ Germany | |||
| DEBL | 1988 | ⊕ United States | |||
| DeBuMa | 1988 | ⊕ France | |||
| DFORMAT | 1988 | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | Language for depicting data structures | |
| Diplans | 1988 | ||||
| DOIT | 1988 | ||||
| Dotlisp | 1988 | ↓ ↑ ⊕ String and List Processing | ⊕ Lazy Evaluation LISPs | ||
| D-PICT | 1988 | ||||
| d-Prolog | 1988 | ↓ ↑ ⊕ String and List Processing | ⊕ Horn clause | ⊕ United States | Defeasible Prolog |
| DRAG | 1988 | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | PIC preprocessor language for directed graphs | |
| Eager | 1988 | ⊕ United States | |||
| Educator | 1988 | Computer aided instruction language | |||
| Electronic Publishing | 1988 | Computer aided instruction language | |||
| EPROS | 1988 | ||||
| EusLisp | 1988 | ↓ ↑ ⊕ Specialised Languages | ⊕ Lazy Evaluation LISPs | ⊕ Japan | geometric modeler in Lisp for Robotics and CAD |
| EV2 | 1988 | ⊕ Canada | |||
| Exambank | 1988 | Computer aided instruction language | |||
| Excalibur | 1988 | ⊕ Spain | |||
| Exemplar | 1988 | Computer aided instruction language | |||
| EXTRA | 1988 | ⊕ Set | OO Pascal with set operators | ||
| FIDIL | 1988 | ⊕ United States | Array based language with domains and regions as first class elements | ||
| FLANG | 1988 | ⊕ Russian Federation | constraint functional-logic language | ||
| Fleng | 1988 | ⊕ Japan | |||
| FORGE | 1988 | ↓ ↑ ⊕ Specialised Languages | ⊕ CAI languages | ⊕ United States | Computer aided instruction language |
| Forsythe | 1988 | ⊕ United States | |||
| FORTRAN-Plus | 1988 | ↓ ↑ ⊕ Numerical Scientific | ⊕ Ireland | ||
| FORTRAN-PLUS enhanced | 1988 | ↓ ↑ ⊕ Numerical Scientific | ⊕ Ireland | ||
| FoxBASE+ | 1988 | ⊕ United States | |||
| FrameKit | 1988 | ⊕ United States | |||
| FRAPPE | 1988 | ⊕ Frame languages | ⊕ United States | ||
| G | 1988 | ↓ ↑ ⊕ Specialised Languages | ⊕ Animation | ⊕ United States | Runtime graphics language for GRASP |
| G | 1988 | ⊕ United States | Multiparadigm Language | ||
| G Pilot | 1988 | Computer aided instruction language | |||
| G+ | 1988 | ||||
| GAMS | 1988 | ↓ ↑ ⊕ Numerical Scientific | ⊕ Algebraic | ⊕ United States | General Algebraic Modeling System |
| GARP | 1988 | ↓ ↑ ⊕ Experimental and other | ⊕ Graph | ⊕ United States | Graph-based hybrid concurrent OO language |
| gcc | 1988 | ⊕ International | |||
| GDL | 1988 | ↓ ↑ ⊕ Specialised Languages | ⊕ Germany | ||
| GFA BASIC | 1988 | ⊕ United States | |||
| GIGI | 1988 | Computer aided instruction language | |||
| GL | 1988 | ⊕ United States | |||
| GLIM | 1988 | ⊕ United Kingdom | |||
| GRAMOL | 1988 | ⊕ Switzerland | |||
| GraphLog | 1988 | ⊕ Canada | |||
| GSBL | 1988 | ||||
| GSI NODAL | 1988 | ⊕ Generation of JOSS II | ⊕ Germany | NODAL variant at the Gesellschaft für Schwerionenforschung | |
| HCL | 1988 | ||||
| HDBL | 1988 | ||||
| HISP | 1988 | ⊕ Japan | Algebraic Specifcation language | ||
| HOL-88 | 1988 | ⊕ United Kingdom | |||
| Hope+ | 1988 | ↓ ↑ ⊕ Experimental and other | ⊕ United Kingdom | ||
| Hoselton FORTH | 1988 | ⊕ United States | |||
| ICOM | 1988 | Computer aided instruction language | |||
| IDF | 1988 | ⊕ United States | |||
| IIS | 1988 | ||||
| Images III | 1988 | Computer aided instruction language | |||
| Impala | 1988 | ⊕ Australia | |||
| Infowindow | 1988 | Computer aided instruction language | |||
| Infowindows | 1988 | Computer aided instruction language | |||
| Infowriter | 1988 | Computer aided instruction language | |||
| InnovAda | 1988 | ⊕ United States | |||
| Interact | 1988 | Computer aided instruction language | |||
| Interactive Authoring System | 1988 | Computer aided instruction language | |||
| Interaudio | 1988 | Computer aided instruction language | |||
| Interpress | 1988 | ⊕ United States | |||
| IPS -Instructional Programming System | 1988 | Computer aided instruction language | |||
| Isabelle | 1988 | ⊕ United Kingdom | |||
| ISWYM | 1988 | ⊕ United States | |||
| KFX | 1988 | ⊕ United States | |||
| KL1 | 1988 | ↓ ↑ ⊕ Specialised Languages | ⊕ Japan | Kernel Language 1 | |
| Kodiyak | 1988 | ⊕ United States | |||
| KSS: Author | 1988 | Computer aided instruction language | |||
| lambda-Prolog | 1988 | ↓ ↑ ⊕ String and List Processing | ⊕ Horn clause | ⊕ United States | |
| LAMINA | 1988 | ⊕ United States | |||
| Le_LISP 80 | 1988 | ||||
| Lisp-Linda | 1988 | ↓ ↑ ⊕ String and List Processing | ⊕ Lazy Evaluation LISPs | ||
| Lisptalk | 1988 | ↓ ↑ ⊕ String and List Processing | ⊕ Lazy Evaluation LISPs | ⊕ China | |
| Logical Objects | 1988 | ⊕ United States | |||
| Loglan '88 | 1988 | ⊕ Poland | extension of LOGLAN | ||
| LPC | 1988 | ⊕ Sweden | |||
| LPL | 1988 | ⊕ Switzerland | Linear Programming Language | ||
| MacMUMPS | 1988 | ||||
| MacParlog | 1988 | ⊕ United Kingdom | |||
| Maestro | 1988 | Computer aided instruction language | |||
| Mandarin | 1988 | Computer aided instruction language | |||
| Mars | 1988 | ||||
| Mathematica | 1988 | ↓ ↑ ⊕ Numerical Scientific | ⊕ Algebraic | ⊕ United States | |
| McGraw-Hill Interactive Authoring System | 1988 | Computer aided instruction language | |||
| MC-OBJ | 1988 | ↓ ↑ ⊕ Specialised Languages | ⊕ Italy | Interpreter for OBJ | |
| MENDEL/88 | 1988 | ⊕ Japan | |||
| MetaH | 1988 | ⊕ United States | |||
| METAL | 1988 | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | BBS scripting language | |
| Micro Plato | 1988 | Computer aided instruction language | |||
| Micro Plato Author Language | 1988 | Computer aided instruction language | |||
| Micro TICCIT | 1988 | Computer aided instruction language | |||
| microChronolog | 1988 | ⊕ Canada | |||
| MicroCODIL | 1988 | ⊕ United Kingdom | |||
| Microinstructor | 1988 | Computer aided instruction language | |||
| MicroTICCIT | 1988 | Computer aided instruction language | |||
| MIKE | 1988 | ↓ ↑ ⊕ Specialised Languages | ⊕ Algebraic | ⊕ Belgium | Algebraic Modula 2 |
| Mind | 1988 | ⊕ Japan | |||
| Mizar | 1988 | ↓ ↑ ⊕ Specialised Languages | ⊕ Poland | ||
| MOA | 1988 | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | parallel language | |
| Modula-3 | 1988 | ↓ ↑ ⊕ Specialised Languages | ⊕ OO C family | ⊕ International | OO language with genericity and prototyping |
| MSQL | 1988 | ||||
| MT Icon | 1988 | ⊕ United States | Multhreaded Icon | ||
| Mumedala | 1988 | Computer aided instruction language | |||
| mUtilisp | 1988 | ↓ ↑ ⊕ String and List Processing | ⊕ Lazy Evaluation LISPs | ||
| m-Verdi | 1988 | ⊕ Canada | |||
| NAPIER 88 | 1988 | ↓ ↑ ⊕ Specialised Languages | ⊕ United Kingdom | ||
| National Author Language | 1988 | Computer aided instruction language | |||
| Newsqueak | 1988 | ↓ ↑ ⊕ On-Line | ⊕ Interface and windowing | ⊕ United States | Windowing/mousing language |
| NU-Prolog | 1988 | ↓ ↑ ⊕ String and List Processing | ⊕ Horn clause | ⊕ Australia | |
| O2 | 1988 | ⊕ France | Object-oriented database language | ||
| Obie-1-Knobe | 1988 | Computer aided instruction language | |||
| OBJ3 | 1988 | ⊕ United States | |||
| OCTAVE | 1988 | ↓ ↑ ⊕ Numerical Scientific | ⊕ United States | ||
| Of Course! | 1988 | Computer aided instruction language | |||
| Omnisim | 1988 | Computer aided instruction language | |||
| OOPS | 1988 | ||||
| OOPS+ | 1988 | OO KR language | |||
| OPSJ | 1988 | ↓ ↑ ⊕ Specialised Languages | ⊕ RETE and production | ⊕ United States | Production system |
| Orwell | 1988 | ⊕ United Kingdom | |||
| OSCAR | 1988 | ||||
| Otter | 1988 | ⊕ United States | |||
| PAL | 1988 | ↓ ↑ ⊕ Business Data Processing | ⊕ United States | Paradox Application Language | |
| Parlog++ | 1988 | ⊕ United Kingdom | |||
| PASCAL/MT+ | 1988 | ↓ ↑ ⊕ Multi-purpose | ⊕ Pascals | ⊕ United States | |
| PBasic | 1988 | ↓ ↑ ⊕ Numerical Scientific | ⊕ United States | ||
| PC Class | 1988 | Computer aided instruction language | |||
| PC Train | 1988 | Computer aided instruction language | |||
| PC-Class | 1988 | Computer aided instruction language | |||
| PDL | 1988 | ↓ ↑ ⊕ Specialised Languages | ⊕ Japan | Process Description Language | |
| Peducator | 1988 | Computer aided instruction language | |||
| Peridot | 1988 | ⊕ United States | |||
| Phoenix | 1988 | Computer aided instruction language | |||
| Phoenix-Micro | 1988 | Computer aided instruction language | |||
| PICASSO | 1988 | ||||
| PICQUERY | 1988 | ||||
| PIE | 1988 | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | Visual language | |
| Pilot Plus | 1988 | ↓ ↑ ⊕ String and List Processing | ⊕ CAI languages | ⊕ Germany | Computer aided instruction language |
| PIL-U | 1988 | Computer aided instruction language | |||
| PK/C++ | 1988 | ⊕ United States | |||
| Plane Lucid | 1988 | ↓ ↑ ⊕ Business Data Processing | ⊕ 3D Spreadsheets | ⊕ United States | 3d spreadsheet language |
| PML | 1988 | ||||
| PMS-Prolog | 1988 | ↓ ↑ ⊕ String and List Processing | ⊕ Horn clause | ⊕ Australia | |
| PNU-Prolog | 1988 | ↓ ↑ ⊕ String and List Processing | ⊕ Horn clause | ⊕ Australia | Parallel Nu-Prolog |
| POLKA | 1988 | ⊕ United Kingdom | |||
| Powerhouse | 1988 | ||||
| Prolog/V | 1988 | ↓ ↑ ⊕ String and List Processing | ⊕ Horn clause | ⊕ International | Prolog implemented in Smalltalk |
| Prophit Mentor | 1988 | Computer aided instruction language | |||
| Propi | 1988 | Computer aided instruction language | |||
| PROSE | 1988 | ||||
| PUNCH | 1988 | Mathematical programming language | |||
| Q | 1988 | ⊕ United Kingdom | |||
| QLISP | 1988 | ↓ ↑ ⊕ String and List Processing | ⊕ Lazy Evaluation LISPs | ⊕ United States | Parallel LISP |
| Quest Authoring System | 1988 | Computer aided instruction language | |||
| Quicksilver | 1988 | ⊕ United States | xBase compiler | ||
| R2-C | 1988 | Computer aided instruction language | |||
| RASP | 1988 | ⊕ United States | |||
| RDL1 | 1988 | ↓ ↑ ⊕ Specialised Languages | ⊕ RETE and production | ⊕ France | |
| RefLisp | 1988 | ↓ ↑ ⊕ String and List Processing | ⊕ Lazy Evaluation LISPs | ⊕ United States | Reference Counting LISP |
| RISLA | 1988 | ||||
| RLISP 88 | 1988 | ↓ ↑ ⊕ String and List Processing | ⊕ Lazy Evaluation LISPs | ⊕ United States | |
| RPL | 1988 | ↓ ↑ ⊕ Business Data Processing | ⊕ RETE and production | ⊕ United States | The Relational Production Language |
| RTAG | 1988 | ||||
| Ruby | 1988 | ⊕ United States | |||
| SAD | 1988 | ↓ ↑ ⊕ Specialised Languages | ⊕ Japan | Scripting language for the SAD facility at KEK | |
| SAM | 1988 | Computer aided instruction language | |||
| SAS/AF Software | 1988 | Computer aided instruction language | |||
| Schism | 1988 | ||||
| Scholar Teach | 1988 | Computer aided instruction language | |||
| Scholar Teach 3 | 1988 | Computer aided instruction language | |||
| Scholar/Teach | 1988 | Computer aided instruction language | |||
| SCOOP | 1988 | ↓ ↑ ⊕ Specialised Languages | ⊕ Horn clause | ⊕ France | |
| Scrypt | 1988 | Computer aided instruction language | |||
| SDL | 1988 | ↓ ↑ ⊕ Specialised Languages | ⊕ International | Specification and Description Language | |
| SDL | 1988 | ↓ ↑ ⊕ Business Data Processing | ⊕ United States | Shared Dataspace Language | |
| SEPIA | 1988 | ⊕ Germany | |||
| Seque | 1988 | ↓ ↑ ⊕ Experimental and other | ⊕ United States | Experimental language for manipulating sequences | |
| SFLV | 1988 | ||||
| Shelley | 1988 | Computer aided instruction language | |||
| SIMNET | 1988 | ||||
| SL | 1988 | ⊕ Canada | |||
| Small Euclid | 1988 | ↓ ↑ ⊕ Multi-purpose | ⊕ Pascals | ⊕ Canada | Testing susbset of Euclid |
| SNOOP | 1988 | ||||
| SOL | 1988 | ⊕ Japan | Set oriented language | ||
| SR | 1988 | ⊕ United States | Synchronizing Resources - concurrent programming language | ||
| Stella | 1988 | ⊕ Japan | |||
| Stepper | 1988 | ⊕ United States | |||
| Strand88 | 1988 | ↓ ↑ ⊕ Multi-purpose | ⊕ United Kingdom | Commercialisation of Strand | |
| SUMMIT | 1988 | Computer aided instruction language | |||
| Super Socrates | 1988 | Computer aided instruction language | |||
| SUPERB | 1988 | ↓ ↑ ⊕ Specialised Languages | ⊕ Switzerland | Parallel FORTRAN | |
| Superpilot | 1988 | ↓ ↑ ⊕ String and List Processing | ⊕ CAI languages | ⊕ United States | Computer aided instruction language |
| SYMPLE | 1988 | ||||
| T | 1988 | ||||
| Taiga | 1988 | Computer aided instruction language | |||
| tbt Author | 1988 | Computer aided instruction language | |||
| Teachers Aide | 1988 | Computer aided instruction language | |||
| Tel | 1988 | Computer aided instruction language | |||
| TEL-Training and Education Language | 1988 | Computer aided instruction language | |||
| Temporal Prolog | 1988 | ↓ ↑ ⊕ String and List Processing | ⊕ Horn clause | ⊕ Hungary | |
| Tencore Plus | 1988 | Computer aided instruction language | |||
| Terse | 1988 | ⊕ United States | |||
| The Author | 1988 | Computer aided instruction language | |||
| The Author Plus | 1988 | Computer aided instruction language | |||
| The Author Plus Color | 1988 | Computer aided instruction language | |||
| The Grand Inquisitor | 1988 | Computer aided instruction language | |||
| The Instructor | 1988 | Computer aided instruction language | |||
| TICCIT | 1988 | Computer aided instruction language | |||
| Tinkertoy | 1988 | ||||
| TLISP | 1988 | ↓ ↑ ⊕ String and List Processing | ⊕ Lazy Evaluation LISPs | ||
| TooL | 1988 | ↓ ↑ ⊕ Business Data Processing | ⊕ Germany | ||
| Trainer | 1988 | Computer aided instruction language | |||
| Trainer 4000 | 1988 | Computer aided instruction language | |||
| Trainer Turned Author | 1988 | Computer aided instruction language | |||
| Trillian Concurrent Authoring System | 1988 | Computer aided instruction language | |||
| Trilogy | 1988 | ⊕ Canada | |||
| Trilogy II | 1988 | ↓ ↑ ⊕ Experimental and other | ⊕ Canada | ||
| TS | 1988 | ⊕ United States | Typed Smalltalk | ||
| Tui | 1988 | ||||
| Tuple Space Smalltalk | 1988 | Smalltalk with Tuple Spaces | |||
| TYPOL | 1988 | ||||
| Unison | 1988 | Computer aided instruction language | |||
| Unison Author Language | 1988 | Computer aided instruction language | |||
| Unity | 1988 | ⊕ United States | |||
| Unix Instructional Workbench | 1988 | Computer aided instruction language | |||
| UtiLisp | 1988 | ↓ ↑ ⊕ String and List Processing | ⊕ Lazy Evaluation LISPs | ||
| value-passing CCS | 1988 | ⊕ United Kingdom | |||
| Vax Producer | 1988 | Computer aided instruction language | |||
| Velosity 3D | 1988 | Computer aided instruction language | |||
| Video Nova Authoring System | 1988 | Computer aided instruction language | |||
| VISUAL BASIC | 1988 | ⊕ United States | |||
| VS Author | 1988 | Computer aided instruction language | |||
| W2 | 1988 | ↓ ↑ ⊕ Experimental and other | ⊕ Pascals | ⊕ United States | Systolic array parallel language |
| WICAT | 1988 | Computer aided instruction language | |||
| Wise | 1988 | Computer aided instruction language | |||
| WISE | 1988 | Computer aided instruction language | |||
| WITNESS | 1988 | ||||
| WS1S | 1988 | ||||
| XCELL | 1988 | ||||
| XE | 1988 | ⊕ Finland | Expert Systems CLU | ||
| Zeitgeist | 1988 | ⊕ United States | Object-oriented data base programming language |