| Alphard | ⊕ 1974 | ↓ ↑ ⊕ Experimental and other | ⊕ Pascals | ⊕ United States | Pascal with data abstraction |
| CLU | ⊕ 1974 | ↓ ↑ ⊕ Multi-purpose | ⊕ Pascals | ⊕ United States | CLUster programming language - abstractions and iterators |
| ELAN | ⊕ 1974 | ↓ ↑ ⊕ Multi-purpose | ⊕ Pascals | ⊕ Germany | Language for teaching structured programming |