Freeze (package) Python programs into stand-alone executables
Export disassemblies into Protocol Buffers
Capstone disassembly/disassembler framework
Blazing fast and correct x86/x64 disassembler, assembler, decoder, etc
RetDec is a retargetable machine-code decompiler based on LLVM
Java classfile assembler/disassembler and interactive low-level editor