| MAP | ⊕ 1960 | ↓ ↑ ⊕ Excluded from Sammet | ⊕ Symbolic assemblers | ⊕ United States | MOBIDIC Assembler Program |
| RAMAC | ⊕ 1960 | ↓ ↑ ⊕ Excluded from Sammet | ⊕ Symbolic assemblers | ⊕ United States | Symbolic Assembly Program for IBM RAMAC |
| SAFARI | ⊕ 1960 | ↓ ↑ ⊕ Numerical Scientific | ⊕ Symbolic assemblers | ⊕ United States | TRW space Interactive assembler |
| SCP | ⊕ 1960 | ↓ ↑ ⊕ Excluded from Sammet | ⊕ Symbolic assemblers | ⊕ United States | One-to-one compiler for symbolic address |
| slip | ⊕ 1960 | ↓ ↑ ⊕ Specialised Languages | ⊕ Symbolic assemblers | ⊕ Denmark | Macro assembler for GIER computer |
| SOS | ⊕ 1960 | ↓ ↑ ⊕ Excluded from Sammet | ⊕ Symbolic assemblers | ⊕ United States | SHARE Assembler |
| STRAP | ⊕ 1960 | ↓ ↑ ⊕ Excluded from Sammet | ⊕ Symbolic assemblers | ⊕ United States | STRetch Assembly Program |
| STRAP I | ⊕ 1960 | ↓ ↑ ⊕ Excluded from Sammet | ⊕ Symbolic assemblers | ⊕ United States | assembler for IBM 7030/709 |
| SUPERTASS | ⊕ 1960 | ↓ ↑ ⊕ Excluded from Sammet | ⊕ Symbolic assemblers | ⊕ United States | Autocoder for G-20 |
| TAPTAC | ⊕ 1960 | ↓ ↑ ⊕ Excluded from Sammet | ⊕ Symbolic assemblers | ⊕ United States | Super-TAP for Philco |