| ATLAS | ⊕ 1969 | ↓ ↑ ⊕ Specialised Languages | ⊕ External systems testing | ⊕ United States | AEEC initial version of ATLAS avionics test language |
| COMSITE | ⊕ 1969 | ↓ ↑ ⊕ Specialised Languages | ⊕ External systems testing | ⊕ United States | language for SITE testing devices |
| COMTRAN | ⊕ 1969 | ↓ ↑ ⊕ Numerical Scientific | ⊕ External systems testing | ⊕ United States | Communications Computer Language |