| 1.pak | ⊕ 1973 | ↓ ↑ ⊕ String and List Processing | Graph | ⊕ Canada | Goal-directed graph-pattern-matching language |
| ABC | ⊕ 1989 | ↓ ↑ ⊕ Experimental and other | Graph | ⊕ Netherlands | Intermediate language ABC abstract machine |
| AEDNET | ⊕ 1966 | ↓ ↑ ⊕ Specialised Languages | Graph | ⊕ United States | AED dialect for modelling networks |
| CAL | ⊕ 2002 | ↓ ↑ ⊕ Experimental and other | Graph | ⊕ United States | GP language for the Ptolemy project |
| COSY | ⊕ 1979 | ↓ ↑ ⊕ Specialised Languages | Graph | ⊕ United Kingdom | |
| CuPit-2 | ⊕ 1997 | ↓ ↑ ⊕ Specialised Languages | Graph | ⊕ Germany | Language for distributed ANNs |
| FGRAAL | ⊕ 1972 | ↓ ↑ ⊕ Experimental and other | Graph | ⊕ United States | Fortran Graph extensions |
| GARP | ⊕ 1988 | ↓ ↑ ⊕ Experimental and other | Graph | ⊕ United States | Graph-based hybrid concurrent OO language |
| GASP | ⊕ 1969 | ↓ ↑ ⊕ Experimental and other | Graph | ⊕ United States | PL/I extension for programming graph algorithms |
| GEA | ⊕ 1968 | ↓ ↑ ⊕ Experimental and other | Graph | ⊕ Italy | Graph Extended ALGOL |
| GIRL | ⊕ 1969 | ↓ ↑ ⊕ Specialised Languages | Graph | ⊕ United States | |
| GRAAL | ⊕ 1972 | ↓ ↑ ⊕ Specialised Languages | Graph | ⊕ United States | Graphic extension to Fortran |
| GRAAP | ⊕ 1976 | ↓ ↑ ⊕ String and List Processing | Graph | ⊕ United Kingdom | GRaph Algorithmic Applications Package |
| GRASPE | ⊕ 1968 | ↓ ↑ ⊕ Experimental and other | Graph | ⊕ United States | |
| GROPE | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | Graph | ⊕ United States | Graph processing language |
| GTPL | ⊕ 1970 | ↓ ↑ ⊕ Experimental and other | Graph | Graph-theoretical extensions to Fortran | |
| HGL | ⊕ 1970 | ↓ ↑ ⊕ Specialised Languages | Graph | ⊕ United States | Hierarchical graph language |
| HINT | ⊕ 1969 | ↓ ↑ ⊕ String and List Processing | Graph | ⊕ United States | Hierarchical information language |
| OPTIMIX | ⊕ 1994 | ↓ ↑ ⊕ Specialised Languages | Graph | ⊕ Germany | Graph rewriting language based on Datalog |
| PIRL | ⊕ 1971 | ↓ ↑ ⊕ Specialised Languages | Graph | ⊕ United States | |
| SIMPL-G | ⊕ 1972 | ↓ ↑ ⊕ Specialised Languages | Graph | ⊕ United States | SIMPL for graphs |
| Tabory graph-theoretic language | ⊕ 1967 | ↓ ↑ ⊕ String and List Processing | Graph | ⊕ France | Graph-theoretic language |