| COBALG | 1976 | United Kingdom | Algebraic system | ||
| GRAAP | 1976 | String and List Processing | Graph | United Kingdom | GRaph Algorithmic Applications Package |
| Hasal | 1976 | United Kingdom | |||
| IDMSX | 1976 | United Kingdom | |||
| IMP 2.2 | 1976 | Multi-purpose | Early Autocodes | United Kingdom | |
| PRTV | 1976 | United Kingdom | |||
| SASL | 1976 | United Kingdom | Initial SASL (strict) | ||
| SLPL | 1976 | String and List Processing | United Kingdom | Simple list processing language | |
| SML | 1976 | United Kingdom | System Modelling Language | ||
| STREMA | 1976 | United Kingdom | conversational graphic language for application processes based on streams |