nasm - 2.16.01-1 main

Netwide Assembler. NASM will currently output flat-form binary files,
a.out, COFF and ELF Unix object files, and Microsoft 16-bit DOS and
Win32 object files.
.
Also included is NDISASM, a prototype x86 binary-file disassembler
which uses the same instruction table as NASM.
.
NASM is released under the GNU Lesser General Public License (LGPL).