| BIOR | ⊕ 1955 | ↓ ↑ ⊕ Multi-purpose | ⊕ COBOL coeval | ⊕ United States | Autocode for the UNIVAC |
| GP | ⊕ 1955 | ↓ ↑ ⊕ Multi-purpose | ⊕ Generalised programming | ⊕ United States | Generalized Programming Compiler |
| L1 | ⊕ 1955 | ↓ ↑ ⊕ Multi-purpose | ⊕ Bell Labs Interpreters | ⊕ United States | Bell 1 interpreter |
| L2 | ⊕ 1955 | ↓ ↑ ⊕ Multi-purpose | ⊕ Bell Labs Interpreters | ⊕ United States | Bell L2 interpreter |
| L3 | ⊕ 1955 | ↓ ↑ ⊕ Multi-purpose | ⊕ Bell Labs Interpreters | ⊕ United States | Bell L3 Interpreter |
| SOAP | ⊕ 1955 | ↓ ↑ ⊕ Multi-purpose | ⊕ Symbolic assemblers | ⊕ United States | Symbolic Optimal Assembly Program |