A Hex Editor for Reverse Engineers, Programmers
An open-source x64/x32 debugger for windows
Freeze (package) Python programs into stand-alone executables
Capstone disassembly/disassembler framework
Fast and lightweight x86/x86-64 disassembler and code generation lib
Interactive 6502 Disassembler for Atari binary files on Windows
Export disassemblies into Protocol Buffers
An assembler for the legendary 6502 processor and it's derivatives
Generic Code-Seeking Diassembler with Fuzzy-Function Analyzer
Blazing fast and correct x86/x64 disassembler, assembler, decoder, etc
Assembles M6800 and 6801 assembly language source code. (and Forth)
additional/alternalive includes set to flat assembler
Open-source disassembler for x86/x64 machine code (New BSD License!)
An assembler and disassembler for the JVM (Java Virtual Machine)
Japheth's assembler, JWasm
miniasm is a short bytecode based assebler, interpreter and compiler
powerpc disassembler/assembler
Binary (hexadecimal) editor for Windows