| CRL | ⊕ 1984 | ↓ ↑ ⊕ Specialised Languages | ⊕ Frame languages | ⊕ United States | Frame language |
| Kandor | ⊕ 1984 | ↓ ↑ ⊕ Specialised Languages | ⊕ Frame languages | ⊕ United States | |
| KEE | ⊕ 1984 | ↓ ↑ ⊕ Specialised Languages | ⊕ Frame languages | ⊕ United States | IDE based frame language |
| SRL/2 | ⊕ 1984 | ↓ ↑ ⊕ Specialised Languages | ⊕ Frame languages | ⊕ United States | Schema language |