| Ada 9X | ⊕ 1988 | ↓ ↑ ⊕ Multi-purpose | ⊕ United States | Review and update of Ada 83 | |
| CCLU | ⊕ 1988 | ↓ ↑ ⊕ Multi-purpose | ⊕ United Kingdom | Cambridge CLU | |
| Concurrent Pascal-S | ⊕ 1988 | ↓ ↑ ⊕ Multi-purpose | ⊕ Pascals | ⊕ Israel | Concurrent Pascal dialect |
| PASCAL/MT+ | ⊕ 1988 | ↓ ↑ ⊕ Multi-purpose | ⊕ Pascals | ⊕ United States | |
| Small Euclid | ⊕ 1988 | ↓ ↑ ⊕ Multi-purpose | ⊕ Pascals | ⊕ Canada | Testing susbset of Euclid |
| Strand88 | ⊕ 1988 | ↓ ↑ ⊕ Multi-purpose | ⊕ United Kingdom | Commercialisation of Strand |