| CHILL-88 | ⊕ 1988 | ⊕ International | |||
| gcc | ⊕ 1988 | ⊕ International | |||
| Modula-3 | ⊕ 1988 | ↓ ↑ ⊕ Specialised Languages | ⊕ OO C family | ⊕ International | OO language with genericity and prototyping |
| Prolog/V | ⊕ 1988 | ↓ ↑ ⊕ String and List Processing | ⊕ Horn clause | ⊕ International | Prolog implemented in Smalltalk |
| SDL | ⊕ 1988 | ↓ ↑ ⊕ Specialised Languages | ⊕ International | Specification and Description Language |