| C | multi-paradigm programming, imperative programming, structured programming, procedural programming | Dennis M. Ritchie, Bell Labs, American National Standards Institute, International Organization for Standardization, Ken Thompson |
| El-76 | — | Lebedev Institute of Precision Mechanics and Computer Engineering |
| INTERCAL | esoteric programming | — |
| Programming Language for Business | procedural programming, imperative programming | — |
| Prolog | logic programming, declarative programming | — |
| RTL/2 | procedural programming, structured programming, imperative programming | John Barnes |
| SASL | functional programming | — |
| Smalltalk | object-oriented programming, class-based programming | Alan Kay, Dan Ingalls, Adele Goldberg, Diana Merry |