| EDVAC/ORDVAC coding | ⊕ 1952 | ↓ ↑ ⊕ Excluded from Sammet | ⊕ Symbolic assemblers | ⊕ United States | BRL Assembler library for the VAC computers |
| FORAST | ⊕ 1960 | ↓ ↑ ⊕ Numerical Scientific | ⊕ Fortran I-III Coeval | ⊕ United States | Formula and Assembly Translator |
| Thaumaturgy | ⊕ 1957 | ⊕ Low-level Autocoders | ⊕ United States | ORDVAC Autocode |