| FLIP/SPUR | ⊕ 1955 | ↓ ↑ ⊕ Excluded from Sammet | ⊕ Symbolic assembly packages | ⊕ United States | Combination of autocode and assembler for UNIVAC 1103 |
| MISCRAP | ⊕ 1955 | ↓ ↑ ⊕ Excluded from Sammet | ⊕ Symbolic assembly packages | ⊕ United States | Lockheed diagnostic compiler for 1103A |
| SNAP | ⊕ 1955 | ↓ ↑ ⊕ Excluded from Sammet | ⊕ Symbolic assembly packages | ⊕ United States | Ramo Woolridge floating point package for UNIVAC 1103 |