Third-party TI-84 Plus CE / TI-83 Premium CE emulator
An educational software system of a tiny self-compiling C compiler
RetDec is a retargetable machine-code decompiler based on LLVM
An assembler and disassembler for the JVM (Java Virtual Machine)
An open source interactive disassembler
Java classfile assembler/disassembler and interactive low-level editor