| ASBAL | ⊕ 1979 | ↓ ↑ ⊕ Experimental and other | ⊕ Stack | ⊕ United States | Stack-based language derived from CLU |
| NETL | ⊕ 1979 | ↓ ↑ ⊕ Experimental and other | ⊕ Frame languages | ⊕ United States | |
| SMACK | ⊕ 1979 | ↓ ↑ ⊕ Experimental and other | ⊕ Macroassemblers | ⊕ United States | Macro package for MIL |
| ThingLab | ⊕ 1979 | ↓ ↑ ⊕ Experimental and other | ⊕ United States |