| 1:1 Assembler | ⊕ 1963 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | Assembler for Telefile |
| 94AP | ⊕ 1962 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | Sylviania symbolic assembler |
| ADAM | ⊕ 1962 | ↓ ↑ ⊕ Specialised Languages | Symbolic assemblers | ⊕ United States | Experimental hardware symbol processor |
| Aiken CPC translator | ⊕ 1948 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | Proposed relay code for the Harvard Mark III |
| ALICS | ⊕ 1965 | ↓ ↑ ⊕ Experimental and other | Symbolic assemblers | ⊕ United States | ICS assembler |
| ALICS II | ⊕ 1967 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | ICS assembler |
| ASSEMBLER | ⊕ 1955 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | Modification of Rochester Assembler at IBM Poughkeepsie |
| ASSEMBLY | ⊕ 1951 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | Rochester Asssembler for IBM |
| BAS | ⊕ 1962 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United Kingdom | Symbolic assembler for the ATLAS |
| Burroughs Assembler | ⊕ 1966 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | |
| COMPASS | ⊕ 1961 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | |
| DAP | ⊕ 1963 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | Assembler for CCC DDP 24 |
| Dracula | ⊕ 1961 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | CCC Symbolic assembler |
| EDVAC/ORDVAC coding | ⊕ 1952 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | BRL Assembler library for the VAC computers |
| EERIE | ⊕ 1963 | ↓ ↑ ⊕ Numerical Scientific | Symbolic assemblers | ⊕ United States | CYCLONE's symbolic interpreter |
| EK | ⊕ 1964 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ Czech Republic | EPOS symbolic assembler |
| GESAL | ⊕ 1953 | ↓ ↑ ⊕ Numerical Scientific | Symbolic assemblers | ⊕ United States | General Electric Symbolic Assembly Language |
| ILLIAC | ⊕ 1954 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | ILLIAC Assembler |
| MAP | ⊕ 1960 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | MOBIDIC Assembler Program |
| MIX | ⊕ 1968 | ↓ ↑ ⊕ Experimental and other | Symbolic assemblers | ⊕ United States | MIX Assembly Language |
| MIX/360 | ⊕ 1970 | ↓ ↑ ⊕ Experimental and other | Symbolic assemblers | ⊕ United States | Paper assembler for TAOCP |
| MIXAL | ⊕ 1969 | ↓ ↑ ⊕ Experimental and other | Symbolic assemblers | ⊕ United States | MIX Assembly Language |
| NAA Assembly | ⊕ 1953 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | Interpreted macro-assembler for IBM 701 |
| NABUR | ⊕ 1963 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | NAREC ASSEMBLER for the BURROUGHS D825 |
| OMNIBAC Symbolic assembler | ⊕ 1951 | ↓ ↑ ⊕ Specialised Languages | Symbolic assemblers | ⊕ United States | First symbolic machine code |
| OPAL | ⊕ 1963 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | Philco symbolic assembler |
| QADAAD | ⊕ 1962 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | UNIVAC Assembler |
| RAMAC | ⊕ 1960 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | Symbolic Assembly Program for IBM RAMAC |
| RAWOOP | ⊕ 1955 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | Macroassembler for UNIVAC 1103 |
| RCMOL | ⊕ 1975 | ↓ ↑ ⊕ Multi-purpose | Symbolic assemblers | ⊕ Denmark | RC Machine Oriented Language |
| REG-SYMBOLIC | ⊕ 1955 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | Los Alamos symbolic assembler |
| RELCODE | ⊕ 1956 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | Assmbler for UNIVAC I and II |
| RINSO | ⊕ 1958 | ↓ ↑ ⊕ Multi-purpose | Symbolic assemblers | ⊕ United States | parody of SOAP |
| ROAR | ⊕ 1961 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | RPC-400 Assembler |
| S4 | ⊕ 1961 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | UNIVAC Assembler |
| SAC | ⊕ 1956 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | Electrodata assembler for Burroughs |
| SAE | ⊕ 1963 | ↓ ↑ ⊕ Numerical Scientific | Symbolic assemblers | ⊕ United States | Symbolic Assembler for CYCLONE |
| SAFARI | ⊕ 1960 | ↓ ↑ ⊕ Numerical Scientific | Symbolic assemblers | ⊕ United States | TRW space Interactive assembler |
| SAIL | ⊕ 1957 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | Livermore Larc assembler |
| SALT | ⊕ 1957 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | |
| SAP | ⊕ 1953 | ↓ ↑ ⊕ Numerical Scientific | Symbolic assemblers | ⊕ United States | Symbolic Assembly |
| SAP | ⊕ 1957 | ↓ ↑ ⊕ Multi-purpose | Symbolic assemblers | ⊕ United States | SHARE Assembly Program |
| SAP II | ⊕ 1958 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | SHARE Assembly Program version II |
| SCP | ⊕ 1960 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | One-to-one compiler for symbolic address |
| SLEUTH | ⊕ 1962 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | Symbolic Assembler for UNIVAC 1107 |
| slip | ⊕ 1960 | ↓ ↑ ⊕ Specialised Languages | Symbolic assemblers | ⊕ Denmark | Macro assembler for GIER computer |
| SO 2 | ⊕ 1952 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | Symbolic assembler for IBM 701 |
| SOAP | ⊕ 1955 | ↓ ↑ ⊕ Multi-purpose | Symbolic assemblers | ⊕ United States | Symbolic Optimal Assembly Program |
| SOAP I | ⊕ 1956 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | First release of SOAP |
| SOAP II | ⊕ 1957 | ↓ ↑ ⊕ Multi-purpose | Symbolic assemblers | ⊕ United States | Symbolic Optimum Assembly Program |
| SOAP IIA | ⊕ 1958 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | Improved SOAP II |
| SOAP III | ⊕ 1958 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | SOAP extended by Knuth |
| SODA | ⊕ 1957 | ↓ ↑ ⊕ Multi-purpose | Symbolic assemblers | ⊕ Australia | Symbolic Optimum DEUCE Assembly |
| SOS | ⊕ 1960 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | SHARE Assembler |
| SPURT | ⊕ 1965 | ↓ ↑ ⊕ Multi-purpose | Symbolic assemblers | ⊕ United States | Symbolic Programming Language for the UNIVAC Real Time system |
| STAR | ⊕ 1956 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | Burroughs 200/205 assembler |
| STAR I | ⊕ 1959 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | Burroughs 220 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 |
| STRAP II | ⊕ 1961 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | STRetch Assembly Program |
| SUPERTASS | ⊕ 1960 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | Autocoder for G-20 |
| SYMBOLIC ASSEMBLER | ⊕ 1963 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | |
| Symbolic assembler algebraic compiler | ⊕ 1962 | ↓ ↑ ⊕ Multi-purpose | Symbolic assemblers | ⊕ United States | Hybrid ALGOL/FORTRAN |
| SYMBOLIC ASSEMBLY | ⊕ 1956 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | Symbolic assembler for IBM 705 |
| TAC | ⊕ 1959 | ↓ ↑ ⊕ Business Data Processing | Symbolic assemblers | ⊕ United States | TRANSAC Assembler Compiler |
| TAP | ⊕ 1959 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | TRANSAC symbolic assembler |
| TAPTAC | ⊕ 1960 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | Super-TAP for Philco |
| TASS | ⊕ 1959 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | Tech Assembly System |
| Textbook Machine Language | ⊕ 1968 | ↓ ↑ ⊕ Multi-purpose | Symbolic assemblers | ⊕ United States | Paper symbolic assembler |
| THAT | ⊕ 1961 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | Assembler at IT, replacement for SOAP and TASS |
| UNISAP | ⊕ 1957 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | Case SAP |
| X-1 | ⊕ 1956 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | Experimental Assembler For Univac II |
| XIL | ⊕ 1958 | ↓ ↑ ⊕ Excluded from Sammet | Symbolic assemblers | ⊕ United States | UNIVAC symbolic assembler |