The Open On-Chip Debugger
RetDec is a retargetable machine-code decompiler based on LLVM
Cross-platform 6502 assembler
Large-size genome de-novo assembler
A low-power ISA design and simulator for a 2010 IEEE competition
miniasm is a short bytecode based assebler, interpreter and compiler
A disassembler and a simulator for the MSP430 CPU
powerpc disassembler/assembler
Emulator and assembler