A cross-platform x86 assembler with an Intel-like syntax
Fast and lightweight x86/x86-64 disassembler and code generation lib
An assembler for the legendary 6502 processor and it's derivatives
SIMD macro assembler unified for ARM, MIPS, PPC and x86
M6811 Code-Seeking Disassembler
A machine code manipulation library for Intel 64 and IA-32.
A simulator for Atmel's 8/16-bit AVR microcontrollers
Japheth's assembler, JWasm
ZiLOG Z80 CPU emulation library