| ADAM | ⊕ 1984 | ↓ ↑ ⊕ Multi-purpose | ⊕ United States | Ada for Multiprocessing | |
| Adroit | ⊕ 1984 | ↓ ↑ ⊕ Specialised Languages | ⊕ CAI languages | ⊕ United States | Computer aided instruction language |
| ADS/+PC | ⊕ 1984 | ⊕ United States | |||
| ADSO | ⊕ 1984 | ⊕ United States | Cullinet IDMS 4GL | ||
| Amber | ⊕ 1984 | ⊕ United States | ML with CSP-like concurrency | ||
| ANS MUMPS 1984 | ⊕ 1984 | ⊕ United States | |||
| APL2 | ⊕ 1984 | ↓ ↑ ⊕ Specialised Languages | ⊕ Nested Array | ⊕ United States | An APL extension with nested arrays |
| Arctic | ⊕ 1984 | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | Real-time functional language, used for music synthesis. | |
| ART | ⊕ 1984 | ↓ ↑ ⊕ Specialised Languages | ⊕ RETE and production | ⊕ United States | Automated Reasoning Tool |
| ASIS | ⊕ 1984 | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | API language for Ada 83 | |
| AUTOMOD | ⊕ 1984 | ↓ ↑ ⊕ Specialised Languages | ⊕ Modelling | ⊕ United States | Auto MOdelling language |
| AWSFN | ⊕ 1984 | ⊕ United States | |||
| Blosim | ⊕ 1984 | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | DSP simulator | |
| C// | ⊕ 1984 | ⊕ United States | Parallel C | ||
| CANDE | ⊕ 1984 | ↓ ↑ ⊕ On-Line | ⊕ United States | Burroughs Command AND Edit interface | |
| Cedar Fortran | ⊕ 1984 | ↓ ↑ ⊕ Numerical Scientific | ⊕ United States | ||
| CICS | ⊕ 1984 | ⊕ United States | |||
| CRL | ⊕ 1984 | ↓ ↑ ⊕ Specialised Languages | ⊕ Frame languages | ⊕ United States | Frame language |
| DOE Macsyma | ⊕ 1984 | ⊕ United States | |||
| EasyLanguage | ⊕ 1984 | ↓ ↑ ⊕ Business Data Processing | ⊕ United States | ||
| EPL | ⊕ 1984 | ↓ ↑ ⊕ Experimental and other | ⊕ Pascals | ⊕ United States | Eden Programming Language - concurrent |
| EZ | ⊕ 1984 | ⊕ United States | |||
| Flavors Band | ⊕ 1984 | ↓ ↑ ⊕ Specialised Languages | ⊕ Sound-Synthesis | ⊕ United States | Musical composition language |
| Fm | ⊕ 1984 | ⊕ United States | |||
| Gemstone | ⊕ 1984 | ⊕ United States | |||
| GENTRAN | ⊕ 1984 | ⊕ United States | |||
| GW-BASIC | ⊕ 1984 | ⊕ United States | |||
| HP-GL/2 | ⊕ 1984 | ⊕ United States | |||
| HP-PASCAL | ⊕ 1984 | ↓ ↑ ⊕ Multi-purpose | ⊕ Pascals | ⊕ United States | |
| Kandor | ⊕ 1984 | ↓ ↑ ⊕ Specialised Languages | ⊕ Frame languages | ⊕ United States | |
| KEE | ⊕ 1984 | ↓ ↑ ⊕ Specialised Languages | ⊕ Frame languages | ⊕ United States | IDE based frame language |
| KL-TWO | ⊕ 1984 | ⊕ United States | |||
| LDL | ⊕ 1984 | ⊕ United States | |||
| LIAR | ⊕ 1984 | ↓ ↑ ⊕ String and List Processing | ⊕ United States | Compiler for SCHEME | |
| LMA/ITP | ⊕ 1984 | ⊕ United States | |||
| LPS | ⊕ 1984 | ⊕ United States | |||
| MANTIS | ⊕ 1984 | ⊕ United States | |||
| MFL | ⊕ 1984 | ⊕ United States | |||
| Modula-2+ | ⊕ 1984 | ⊕ United States | Extension to Modular 2 permitting exceptions and threads | ||
| NOMAD2 | ⊕ 1984 | ⊕ United States | |||
| ObjVlisp | ⊕ 1984 | ↓ ↑ ⊕ String and List Processing | ⊕ Lazy Evaluation LISPs | ⊕ United States | |
| OPAL | ⊕ 1984 | ↓ ↑ ⊕ Business Data Processing | ⊕ OO DBMS | ⊕ United States | Previous name of Smalltalk DB |
| OPSAda3 | ⊕ 1984 | ↓ ↑ ⊕ Specialised Languages | ⊕ RETE and production | ⊕ United States | |
| Parallel Pascal | ⊕ 1984 | ↓ ↑ ⊕ Multi-purpose | ⊕ Pascals | ⊕ United States | |
| PATR II | ⊕ 1984 | ↓ ↑ ⊕ String and List Processing | ⊕ United States | Linuistics oriented programming language | |
| Pict/D | ⊕ 1984 | ↓ ↑ ⊕ Specialised Languages | ⊕ 2-D Graphic Languages | ⊕ United States | Interactive graphical programming environment |
| PL/CV3 | ⊕ 1984 | ⊕ United States | |||
| PLEASE | ⊕ 1984 | ⊕ United States | |||
| PSETL | ⊕ 1984 | ⊕ United States | |||
| QL/8N | ⊕ 1984 | ↓ ↑ ⊕ Business Data Processing | ⊕ Ad hoc query languages | ⊕ United States | Query language |
| Qlambda | ⊕ 1984 | ⊕ United States | |||
| QUEL | ⊕ 1984 | ⊕ United States | |||
| RAMIS | ⊕ 1984 | ⊕ United States | |||
| RC | ⊕ 1984 | ↓ ↑ ⊕ Numerical Scientific | ⊕ United States | Refined C | |
| Refined C | ⊕ 1984 | ↓ ↑ ⊕ Numerical Scientific | ⊕ United States | Parallel C | |
| Relix | ⊕ 1984 | ⊕ United States | Implementation of first stage of Aldat | ||
| SDML | ⊕ 1984 | ⊕ United States | Standard Music Description Language | ||
| Smalltalk DB | ⊕ 1984 | ⊕ United States | |||
| Snostorm | ⊕ 1984 | ↓ ↑ ⊕ String and List Processing | ⊕ Patterns | ⊕ United States | |
| SPITBOL 370 | ⊕ 1984 | ↓ ↑ ⊕ String and List Processing | ⊕ United States | SNOBOL4 compiler for 370 | |
| SRL/2 | ⊕ 1984 | ↓ ↑ ⊕ Specialised Languages | ⊕ Frame languages | ⊕ United States | Schema language |
| STELLA | ⊕ 1984 | ↓ ↑ ⊕ Specialised Languages | ⊕ Expression oriented | ⊕ United States | Implementation of DYNAMO for the Macintosh |
| SYNPRO | ⊕ 1984 | ⊕ United States | Modified BNF for use in ATLAS environment | ||
| TRAC T84 | ⊕ 1984 | ↓ ↑ ⊕ String and List Processing | ⊕ Macros | ⊕ United States | 1984 version of TRAC |
| WEB | ⊕ 1984 | ↓ ↑ ⊕ Specialised Languages | ⊕ United States | Self-documenting code language | |
| YES/LI | ⊕ 1984 | ⊕ United States |