| BRIDGE | ⊕ 1967 | ↓ ↑ ⊕ Specialised Languages | Civil | ⊕ United States | Problem-solving package for ICES |
| FRAN | ⊕ 1965 | ↓ ↑ ⊕ Specialised Languages | Civil | ⊕ United States | |
| GT STRUDL | ⊕ 1975 | ↓ ↑ ⊕ Specialised Languages | Civil | ⊕ United States | Georgia Tech STRUDL |
| ICES | ⊕ 1961 | ↓ ↑ ⊕ Specialised Languages | Civil | ⊕ United States | Integrated Civil Engineering System |
| ICETRAN | ⊕ 1965 | ↓ ↑ ⊕ Specialised Languages | Civil | ⊕ United States | Translator between ICES and FORTRAN |
| Interactive STRUDL | ⊕ 1971 | ↓ ↑ ⊕ Specialised Languages | Civil | ⊕ United States | Strudl for Timeshare systems plus graphics |
| LEASE | ⊕ 1965 | ↓ ↑ ⊕ Specialised Languages | Civil | ⊕ United States | Subsystem of ICES |
| MIT-STRUDL | ⊕ 1975 | ↓ ↑ ⊕ Specialised Languages | Civil | ⊕ United States | Evolution of STRUDL-II |
| PD Strudl | ⊕ 1973 | ↓ ↑ ⊕ Specialised Languages | Civil | ⊕ United States | Phi Delta STRUDL |
| ROADS | ⊕ 1965 | ↓ ↑ ⊕ Specialised Languages | Civil | ⊕ United States | Problem-solving package for ICES |
| SEPOL | ⊕ 1964 | ↓ ↑ ⊕ Specialised Languages | Civil | ⊕ United States | Settlement POL |
| STRESS | ⊕ 1964 | ↓ ↑ ⊕ Specialised Languages | Civil | ⊕ United States | STRuctual Engineering Systems Solver |
| STRUDL II | ⊕ 1968 | ↓ ↑ ⊕ Specialised Languages | Civil | ⊕ United States | STRUctured Design Language |
| STRUDL-I | ⊕ 1967 | ↓ ↑ ⊕ Specialised Languages | Civil | ⊕ United States | Structure Engineering language |
| TRANSIT | ⊕ 1965 | ↓ ↑ ⊕ Specialised Languages | Civil | ⊕ United States | Problem-solving package for ICES |