| ALGAE | 1950 | ↓ ↑ ⊕ Numerical Scientific | ⊕ Algebraic | ⊕ United States | Los Alamos algebraic system |
| APE(X)C | 1950 | ↓ ↑ ⊕ Excluded from Sammet | ⊕ Initial orders | ⊕ United Kingdom | Coding system for the APE(X)C |
| Flowchart | 1950 | ⊕ United States | Graphical programming system | ||
| Intermediate Programming Language | 1950 | ↓ ↑ ⊕ Multi-purpose | ⊕ Intermediate languages and VMs | ⊕ United States | High level machine language |
| RAL | 1950 | ↓ ↑ ⊕ Excluded from Sammet | ⊕ Initial orders | ⊕ United Kingdom | Regional Assembly Language |
| SHORT CODE | 1950 | ↓ ↑ ⊕ Multi-purpose | ⊕ Other US historic | ⊕ United States | Assembler for UNIVAC and BINAC |