SIMD macro assembler unified for ARM, MIPS, PPC and x86
An educational software system of a tiny self-compiling C compiler
RetDec is a retargetable machine-code decompiler based on LLVM
A machine code manipulation library for Intel 64 and IA-32.
GNU assembler/disassembler and other tools for the OR1K64-based KPU
Open-source disassembler for x86/x64 machine code (New BSD License!)
Japheth's assembler, JWasm