crudasm9
Open-source disassembler for x86/x64 machine code (New BSD License!)
CRUDASM9 is an open-source disassembler for x86/x64 machine code binaries. It can be used to disassemble Win32/Win64 EXE/DLL files, or a raw binary file. It uses the New BSD license, allowing royalty-free use in both open-source and commercial software.