An x86 assembler that aims to be compatible with MASM and TASM
Generic Code-Seeking Diassembler with Fuzzy-Function Analyzer
SIMD macro assembler unified for ARM, MIPS, PPC and x86
RetDec is a retargetable machine-code decompiler based on LLVM
Emulator of the ancient 8 bit microprocessor SC/MP 2
Cross-platform 6502 assembler
Japheth's assembler, JWasm
An open source interactive disassembler
miniasm is a short bytecode based assebler, interpreter and compiler
MILE - MIPS Interactive Learning Environment