| 51forth | ⊕ 1980 | ↓ ↑ ⊕ Specialised Languages | Stack | ⊕ United States | Forth for the 8051 |
| ASBAL | ⊕ 1979 | ↓ ↑ ⊕ Experimental and other | Stack | ⊕ United States | Stack-based language derived from CLU |
| GEORGE | ⊕ 1957 | ↓ ↑ ⊕ Non-numerical Scientific | Stack | ⊕ Australia | Stack-oriented interpreter language for DEUCE |
| JaM | ⊕ 1978 | ↓ ↑ ⊕ Specialised Languages | Stack | ⊕ United States | |
| POP-1 | ⊕ 1966 | ↓ ↑ ⊕ String and List Processing | Stack | ⊕ United Kingdom | |
| SPRINT | ⊕ 1967 | ↓ ↑ ⊕ String and List Processing | Stack | ⊕ United States | Stack-based string processing language |