SIMD macro assembler unified for ARM, MIPS, PPC and x86
An x86 assembler that aims to be compatible with MASM and TASM
RetDec is a retargetable machine-code decompiler based on LLVM
Flexible and eXpandable Cpu simulation
A PBASIC tokenization/detokenization toolchain
Java classfile assembler/disassembler and interactive low-level editor
Assembler language for modern times